Home / 74,567.13-102,899.61-42,713.88

Finding the Fourth Proportional to 74,567.13, 102,899.61 and 42,713.88

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Solution

The fourth proportional to 74,567.13, 102,899.61 and 42,713.88 is: 58,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,567.13 : 102,899.61 = 42,713.88 : x
  2. Step 2: Convert to fraction form
    74,567.13/102,899.61 = 42,713.88/x
  3. Step 3: Cross multiply
    74,567.13x = 102,899.61 × 42,713.88
  4. Step 4: Simplify right side
    74,567.13x = 4,395,241,593.59
  5. Step 5: Solve for x
    x = 4,395,241,593.59/74,567.13
  6. Step 6: Final answer
    x = 58,943.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.