Home / 83,101.29-124,510.14-45,692.70

Finding the Fourth Proportional to 83,101.29, 124,510.14 and 45,692.70

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Solution

The fourth proportional to 83,101.29, 124,510.14 and 45,692.70 is: 68,461.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,101.29 : 124,510.14 = 45,692.70 : x
  2. Step 2: Convert to fraction form
    83,101.29/124,510.14 = 45,692.70/x
  3. Step 3: Cross multiply
    83,101.29x = 124,510.14 × 45,692.70
  4. Step 4: Simplify right side
    83,101.29x = 5,689,204,473.98
  5. Step 5: Solve for x
    x = 5,689,204,473.98/83,101.29
  6. Step 6: Final answer
    x = 68,461.08

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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.