Home / 83,437.52-115,143.39-45,711.77

Finding the Fourth Proportional to 83,437.52, 115,143.39 and 45,711.77

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Solution

The fourth proportional to 83,437.52, 115,143.39 and 45,711.77 is: 63,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,437.52 : 115,143.39 = 45,711.77 : x
  2. Step 2: Convert to fraction form
    83,437.52/115,143.39 = 45,711.77/x
  3. Step 3: Cross multiply
    83,437.52x = 115,143.39 × 45,711.77
  4. Step 4: Simplify right side
    83,437.52x = 5,263,407,584.98
  5. Step 5: Solve for x
    x = 5,263,407,584.98/83,437.52
  6. Step 6: Final answer
    x = 63,082.03

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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.