Home / 88,278.66-121,874.76-58,151.52

Finding the Fourth Proportional to 88,278.66, 121,874.76 and 58,151.52

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Solution

The fourth proportional to 88,278.66, 121,874.76 and 58,151.52 is: 80,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,278.66 : 121,874.76 = 58,151.52 : x
  2. Step 2: Convert to fraction form
    88,278.66/121,874.76 = 58,151.52/x
  3. Step 3: Cross multiply
    88,278.66x = 121,874.76 × 58,151.52
  4. Step 4: Simplify right side
    88,278.66x = 7,087,202,543.64
  5. Step 5: Solve for x
    x = 7,087,202,543.64/88,278.66
  6. Step 6: Final answer
    x = 80,282.17

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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.