Home / 72,884.28-100,545.93-42,651.05

Finding the Fourth Proportional to 72,884.28, 100,545.93 and 42,651.05

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Solution

The fourth proportional to 72,884.28, 100,545.93 and 42,651.05 is: 58,838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,884.28 : 100,545.93 = 42,651.05 : x
  2. Step 2: Convert to fraction form
    72,884.28/100,545.93 = 42,651.05/x
  3. Step 3: Cross multiply
    72,884.28x = 100,545.93 × 42,651.05
  4. Step 4: Simplify right side
    72,884.28x = 4,288,389,487.73
  5. Step 5: Solve for x
    x = 4,288,389,487.73/72,884.28
  6. Step 6: Final answer
    x = 58,838.33

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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.