Home / 72,601.15-100,229.30-43,925.71

Finding the Fourth Proportional to 72,601.15, 100,229.30 and 43,925.71

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Solution

The fourth proportional to 72,601.15, 100,229.30 and 43,925.71 is: 60,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,601.15 : 100,229.30 = 43,925.71 : x
  2. Step 2: Convert to fraction form
    72,601.15/100,229.30 = 43,925.71/x
  3. Step 3: Cross multiply
    72,601.15x = 100,229.30 × 43,925.71
  4. Step 4: Simplify right side
    72,601.15x = 4,402,643,165.30
  5. Step 5: Solve for x
    x = 4,402,643,165.30/72,601.15
  6. Step 6: Final answer
    x = 60,641.51

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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.