Home / 58,080.04-87,120.24-15,960.76

Finding the Fourth Proportional to 58,080.04, 87,120.24 and 15,960.76

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Solution

The fourth proportional to 58,080.04, 87,120.24 and 15,960.76 is: 23,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,080.04 : 87,120.24 = 15,960.76 : x
  2. Step 2: Convert to fraction form
    58,080.04/87,120.24 = 15,960.76/x
  3. Step 3: Cross multiply
    58,080.04x = 87,120.24 × 15,960.76
  4. Step 4: Simplify right side
    58,080.04x = 1,390,505,241.78
  5. Step 5: Solve for x
    x = 1,390,505,241.78/58,080.04
  6. Step 6: Final answer
    x = 23,941.19

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.