Home / 72,074.13-99,462.11-40,250.58

Finding the Fourth Proportional to 72,074.13, 99,462.11 and 40,250.58

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Solution

The fourth proportional to 72,074.13, 99,462.11 and 40,250.58 is: 55,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,074.13 : 99,462.11 = 40,250.58 : x
  2. Step 2: Convert to fraction form
    72,074.13/99,462.11 = 40,250.58/x
  3. Step 3: Cross multiply
    72,074.13x = 99,462.11 × 40,250.58
  4. Step 4: Simplify right side
    72,074.13x = 4,003,407,414.27
  5. Step 5: Solve for x
    x = 4,003,407,414.27/72,074.13
  6. Step 6: Final answer
    x = 55,545.69

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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.