Home / 88,220.52-121,633.38-73,690.74

Finding the Fourth Proportional to 88,220.52, 121,633.38 and 73,690.74

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Solution

The fourth proportional to 88,220.52, 121,633.38 and 73,690.74 is: 101,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,220.52 : 121,633.38 = 73,690.74 : x
  2. Step 2: Convert to fraction form
    88,220.52/121,633.38 = 73,690.74/x
  3. Step 3: Cross multiply
    88,220.52x = 121,633.38 × 73,690.74
  4. Step 4: Simplify right side
    88,220.52x = 8,963,253,780.90
  5. Step 5: Solve for x
    x = 8,963,253,780.90/88,220.52
  6. Step 6: Final answer
    x = 101,600.55

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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.