Home / 57,220.14-85,572.38-43,715.42

Finding the Fourth Proportional to 57,220.14, 85,572.38 and 43,715.42

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Solution

The fourth proportional to 57,220.14, 85,572.38 and 43,715.42 is: 65,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,220.14 : 85,572.38 = 43,715.42 : x
  2. Step 2: Convert to fraction form
    57,220.14/85,572.38 = 43,715.42/x
  3. Step 3: Cross multiply
    57,220.14x = 85,572.38 × 43,715.42
  4. Step 4: Simplify right side
    57,220.14x = 3,740,832,532.10
  5. Step 5: Solve for x
    x = 3,740,832,532.10/57,220.14
  6. Step 6: Final answer
    x = 65,376.15

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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.