Home / 72,766.45-100,384.52-52,591.38

Finding the Fourth Proportional to 72,766.45, 100,384.52 and 52,591.38

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Solution

The fourth proportional to 72,766.45, 100,384.52 and 52,591.38 is: 72,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,766.45 : 100,384.52 = 52,591.38 : x
  2. Step 2: Convert to fraction form
    72,766.45/100,384.52 = 52,591.38/x
  3. Step 3: Cross multiply
    72,766.45x = 100,384.52 × 52,591.38
  4. Step 4: Simplify right side
    72,766.45x = 5,279,359,798.04
  5. Step 5: Solve for x
    x = 5,279,359,798.04/72,766.45
  6. Step 6: Final answer
    x = 72,552.11

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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.