Home / 83,663.34-125,458.17-39,302.70

Finding the Fourth Proportional to 83,663.34, 125,458.17 and 39,302.70

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Solution

The fourth proportional to 83,663.34, 125,458.17 and 39,302.70 is: 58,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,663.34 : 125,458.17 = 39,302.70 : x
  2. Step 2: Convert to fraction form
    83,663.34/125,458.17 = 39,302.70/x
  3. Step 3: Cross multiply
    83,663.34x = 125,458.17 × 39,302.70
  4. Step 4: Simplify right side
    83,663.34x = 4,930,844,818.06
  5. Step 5: Solve for x
    x = 4,930,844,818.06/83,663.34
  6. Step 6: Final answer
    x = 58,936.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.