Home / 117,939.38-162,758.28-66,953.61

Finding the Fourth Proportional to 117,939.38, 162,758.28 and 66,953.61

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Solution

The fourth proportional to 117,939.38, 162,758.28 and 66,953.61 is: 92,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,939.38 : 162,758.28 = 66,953.61 : x
  2. Step 2: Convert to fraction form
    117,939.38/162,758.28 = 66,953.61/x
  3. Step 3: Cross multiply
    117,939.38x = 162,758.28 × 66,953.61
  4. Step 4: Simplify right side
    117,939.38x = 10,897,253,254.83
  5. Step 5: Solve for x
    x = 10,897,253,254.83/117,939.38
  6. Step 6: Final answer
    x = 92,397.07

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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.