Home / 42,535.31-63,798.10-11,372.99

Finding the Fourth Proportional to 42,535.31, 63,798.10 and 11,372.99

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Solution

The fourth proportional to 42,535.31, 63,798.10 and 11,372.99 is: 17,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,535.31 : 63,798.10 = 11,372.99 : x
  2. Step 2: Convert to fraction form
    42,535.31/63,798.10 = 11,372.99/x
  3. Step 3: Cross multiply
    42,535.31x = 63,798.10 × 11,372.99
  4. Step 4: Simplify right side
    42,535.31x = 725,574,805.90
  5. Step 5: Solve for x
    x = 725,574,805.90/42,535.31
  6. Step 6: Final answer
    x = 17,058.18

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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.