Home / 99,172.01-136,823.18-63,382.97

Finding the Fourth Proportional to 99,172.01, 136,823.18 and 63,382.97

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Solution

The fourth proportional to 99,172.01, 136,823.18 and 63,382.97 is: 87,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,172.01 : 136,823.18 = 63,382.97 : x
  2. Step 2: Convert to fraction form
    99,172.01/136,823.18 = 63,382.97/x
  3. Step 3: Cross multiply
    99,172.01x = 136,823.18 × 63,382.97
  4. Step 4: Simplify right side
    99,172.01x = 8,672,259,538.39
  5. Step 5: Solve for x
    x = 8,672,259,538.39/99,172.01
  6. Step 6: Final answer
    x = 87,446.64

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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.