Home / 109,192.29-163,691.02-42,616.95

Finding the Fourth Proportional to 109,192.29, 163,691.02 and 42,616.95

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Solution

The fourth proportional to 109,192.29, 163,691.02 and 42,616.95 is: 63,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,192.29 : 163,691.02 = 42,616.95 : x
  2. Step 2: Convert to fraction form
    109,192.29/163,691.02 = 42,616.95/x
  3. Step 3: Cross multiply
    109,192.29x = 163,691.02 × 42,616.95
  4. Step 4: Simplify right side
    109,192.29x = 6,976,012,014.79
  5. Step 5: Solve for x
    x = 6,976,012,014.79/109,192.29
  6. Step 6: Final answer
    x = 63,887.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.