Home / 73,910.15-101,996.11-42,079.06

Finding the Fourth Proportional to 73,910.15, 101,996.11 and 42,079.06

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Solution

The fourth proportional to 73,910.15, 101,996.11 and 42,079.06 is: 58,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,910.15 : 101,996.11 = 42,079.06 : x
  2. Step 2: Convert to fraction form
    73,910.15/101,996.11 = 42,079.06/x
  3. Step 3: Cross multiply
    73,910.15x = 101,996.11 × 42,079.06
  4. Step 4: Simplify right side
    73,910.15x = 4,291,900,432.46
  5. Step 5: Solve for x
    x = 4,291,900,432.46/73,910.15
  6. Step 6: Final answer
    x = 58,069.16

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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.