Home / 102,853.70-141,951.23-57,534.20

Finding the Fourth Proportional to 102,853.70, 141,951.23 and 57,534.20

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Solution

The fourth proportional to 102,853.70, 141,951.23 and 57,534.20 is: 79,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,853.70 : 141,951.23 = 57,534.20 : x
  2. Step 2: Convert to fraction form
    102,853.70/141,951.23 = 57,534.20/x
  3. Step 3: Cross multiply
    102,853.70x = 141,951.23 × 57,534.20
  4. Step 4: Simplify right side
    102,853.70x = 8,167,050,531.34
  5. Step 5: Solve for x
    x = 8,167,050,531.34/102,853.70
  6. Step 6: Final answer
    x = 79,404.54

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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.