Home / 88,002.08-121,442.10-49,769.12

Finding the Fourth Proportional to 88,002.08, 121,442.10 and 49,769.12

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Solution

The fourth proportional to 88,002.08, 121,442.10 and 49,769.12 is: 68,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,002.08 : 121,442.10 = 49,769.12 : x
  2. Step 2: Convert to fraction form
    88,002.08/121,442.10 = 49,769.12/x
  3. Step 3: Cross multiply
    88,002.08x = 121,442.10 × 49,769.12
  4. Step 4: Simplify right side
    88,002.08x = 6,044,066,447.95
  5. Step 5: Solve for x
    x = 6,044,066,447.95/88,002.08
  6. Step 6: Final answer
    x = 68,680.95

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1.5x scale

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.