Home / 72,249.41-99,701.87-40,417.62

Finding the Fourth Proportional to 72,249.41, 99,701.87 and 40,417.62

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Solution

The fourth proportional to 72,249.41, 99,701.87 and 40,417.62 is: 55,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,249.41 : 99,701.87 = 40,417.62 : x
  2. Step 2: Convert to fraction form
    72,249.41/99,701.87 = 40,417.62/x
  3. Step 3: Cross multiply
    72,249.41x = 99,701.87 × 40,417.62
  4. Step 4: Simplify right side
    72,249.41x = 4,029,712,092.86
  5. Step 5: Solve for x
    x = 4,029,712,092.86/72,249.41
  6. Step 6: Final answer
    x = 55,775.02

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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.