Home / 72,125.66-99,521.25-40,294.82

Finding the Fourth Proportional to 72,125.66, 99,521.25 and 40,294.82

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Solution

The fourth proportional to 72,125.66, 99,521.25 and 40,294.82 is: 55,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,125.66 : 99,521.25 = 40,294.82 : x
  2. Step 2: Convert to fraction form
    72,125.66/99,521.25 = 40,294.82/x
  3. Step 3: Cross multiply
    72,125.66x = 99,521.25 × 40,294.82
  4. Step 4: Simplify right side
    72,125.66x = 4,010,190,854.93
  5. Step 5: Solve for x
    x = 4,010,190,854.93/72,125.66
  6. Step 6: Final answer
    x = 55,600.06

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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.