Home / 83,123.87-114,711.66-47,316.17

Finding the Fourth Proportional to 83,123.87, 114,711.66 and 47,316.17

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Solution

The fourth proportional to 83,123.87, 114,711.66 and 47,316.17 is: 65,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,123.87 : 114,711.66 = 47,316.17 : x
  2. Step 2: Convert to fraction form
    83,123.87/114,711.66 = 47,316.17/x
  3. Step 3: Cross multiply
    83,123.87x = 114,711.66 × 47,316.17
  4. Step 4: Simplify right side
    83,123.87x = 5,427,716,692.32
  5. Step 5: Solve for x
    x = 5,427,716,692.32/83,123.87
  6. Step 6: Final answer
    x = 65,296.73

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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.