Home / 89,349.20-134,023.80-23,685.20

Finding the Fourth Proportional to 89,349.20, 134,023.80 and 23,685.20

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Solution

The fourth proportional to 89,349.20, 134,023.80 and 23,685.20 is: 35,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,349.20 : 134,023.80 = 23,685.20 : x
  2. Step 2: Convert to fraction form
    89,349.20/134,023.80 = 23,685.20/x
  3. Step 3: Cross multiply
    89,349.20x = 134,023.80 × 23,685.20
  4. Step 4: Simplify right side
    89,349.20x = 3,174,380,507.76
  5. Step 5: Solve for x
    x = 3,174,380,507.76/89,349.20
  6. Step 6: Final answer
    x = 35,527.80

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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.