Home / 58,116.07-87,171.03-18,670.12

Finding the Fourth Proportional to 58,116.07, 87,171.03 and 18,670.12

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Solution

The fourth proportional to 58,116.07, 87,171.03 and 18,670.12 is: 28,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,116.07 : 87,171.03 = 18,670.12 : x
  2. Step 2: Convert to fraction form
    58,116.07/87,171.03 = 18,670.12/x
  3. Step 3: Cross multiply
    58,116.07x = 87,171.03 × 18,670.12
  4. Step 4: Simplify right side
    58,116.07x = 1,627,493,590.62
  5. Step 5: Solve for x
    x = 1,627,493,590.62/58,116.07
  6. Step 6: Final answer
    x = 28,004.19

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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.