Home / 73,910.43-101,981.30-42,070.95

Finding the Fourth Proportional to 73,910.43, 101,981.30 and 42,070.95

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Solution

The fourth proportional to 73,910.43, 101,981.30 and 42,070.95 is: 58,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,910.43 : 101,981.30 = 42,070.95 : x
  2. Step 2: Convert to fraction form
    73,910.43/101,981.30 = 42,070.95/x
  3. Step 3: Cross multiply
    73,910.43x = 101,981.30 × 42,070.95
  4. Step 4: Simplify right side
    73,910.43x = 4,290,449,962.88
  5. Step 5: Solve for x
    x = 4,290,449,962.88/73,910.43
  6. Step 6: Final answer
    x = 58,049.32

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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.