Home / 42,425.92-63,328.73-39,342.16

Finding the Fourth Proportional to 42,425.92, 63,328.73 and 39,342.16

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Solution

The fourth proportional to 42,425.92, 63,328.73 and 39,342.16 is: 58,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,425.92 : 63,328.73 = 39,342.16 : x
  2. Step 2: Convert to fraction form
    42,425.92/63,328.73 = 39,342.16/x
  3. Step 3: Cross multiply
    42,425.92x = 63,328.73 × 39,342.16
  4. Step 4: Simplify right side
    42,425.92x = 2,491,489,028.26
  5. Step 5: Solve for x
    x = 2,491,489,028.26/42,425.92
  6. Step 6: Final answer
    x = 58,725.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.