Home / 47,097.18-70,340.92-42,645.95

Finding the Fourth Proportional to 47,097.18, 70,340.92 and 42,645.95

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Solution

The fourth proportional to 47,097.18, 70,340.92 and 42,645.95 is: 63,692.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,097.18 : 70,340.92 = 42,645.95 : x
  2. Step 2: Convert to fraction form
    47,097.18/70,340.92 = 42,645.95/x
  3. Step 3: Cross multiply
    47,097.18x = 70,340.92 × 42,645.95
  4. Step 4: Simplify right side
    47,097.18x = 2,999,755,144.04
  5. Step 5: Solve for x
    x = 2,999,755,144.04/47,097.18
  6. Step 6: Final answer
    x = 63,692.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.