Home / 99,091.60-136,767.28-63,275.38

Finding the Fourth Proportional to 99,091.60, 136,767.28 and 63,275.38

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Solution

The fourth proportional to 99,091.60, 136,767.28 and 63,275.38 is: 87,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,091.60 : 136,767.28 = 63,275.38 : x
  2. Step 2: Convert to fraction form
    99,091.60/136,767.28 = 63,275.38/x
  3. Step 3: Cross multiply
    99,091.60x = 136,767.28 × 63,275.38
  4. Step 4: Simplify right side
    99,091.60x = 8,654,001,613.57
  5. Step 5: Solve for x
    x = 8,654,001,613.57/99,091.60
  6. Step 6: Final answer
    x = 87,333.35

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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.