Home / 72,084.60-99,466.92-40,249.44

Finding the Fourth Proportional to 72,084.60, 99,466.92 and 40,249.44

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Solution

The fourth proportional to 72,084.60, 99,466.92 and 40,249.44 is: 55,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,084.60 : 99,466.92 = 40,249.44 : x
  2. Step 2: Convert to fraction form
    72,084.60/99,466.92 = 40,249.44/x
  3. Step 3: Cross multiply
    72,084.60x = 99,466.92 × 40,249.44
  4. Step 4: Simplify right side
    72,084.60x = 4,003,487,828.52
  5. Step 5: Solve for x
    x = 4,003,487,828.52/72,084.60
  6. Step 6: Final answer
    x = 55,538.74

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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.