Home / 72,073.38-99,461.07-40,249.83

Finding the Fourth Proportional to 72,073.38, 99,461.07 and 40,249.83

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Solution

The fourth proportional to 72,073.38, 99,461.07 and 40,249.83 is: 55,544.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,073.38 : 99,461.07 = 40,249.83 : x
  2. Step 2: Convert to fraction form
    72,073.38/99,461.07 = 40,249.83/x
  3. Step 3: Cross multiply
    72,073.38x = 99,461.07 × 40,249.83
  4. Step 4: Simplify right side
    72,073.38x = 4,003,291,159.12
  5. Step 5: Solve for x
    x = 4,003,291,159.12/72,073.38
  6. Step 6: Final answer
    x = 55,544.66

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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.