Home / 57,037.52-85,429.56-43,792.40

Finding the Fourth Proportional to 57,037.52, 85,429.56 and 43,792.40

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Solution

The fourth proportional to 57,037.52, 85,429.56 and 43,792.40 is: 65,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,037.52 : 85,429.56 = 43,792.40 : x
  2. Step 2: Convert to fraction form
    57,037.52/85,429.56 = 43,792.40/x
  3. Step 3: Cross multiply
    57,037.52x = 85,429.56 × 43,792.40
  4. Step 4: Simplify right side
    57,037.52x = 3,741,165,463.34
  5. Step 5: Solve for x
    x = 3,741,165,463.34/57,037.52
  6. Step 6: Final answer
    x = 65,591.31

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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.