Home / 73,909.41-102,003.09-42,073.17

Finding the Fourth Proportional to 73,909.41, 102,003.09 and 42,073.17

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Solution

The fourth proportional to 73,909.41, 102,003.09 and 42,073.17 is: 58,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,909.41 : 102,003.09 = 42,073.17 : x
  2. Step 2: Convert to fraction form
    73,909.41/102,003.09 = 42,073.17/x
  3. Step 3: Cross multiply
    73,909.41x = 102,003.09 × 42,073.17
  4. Step 4: Simplify right side
    73,909.41x = 4,291,593,346.10
  5. Step 5: Solve for x
    x = 4,291,593,346.10/73,909.41
  6. Step 6: Final answer
    x = 58,065.59

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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.