Home / 81,117.94-121,677.18-24,957.66

Finding the Fourth Proportional to 81,117.94, 121,677.18 and 24,957.66

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Solution

The fourth proportional to 81,117.94, 121,677.18 and 24,957.66 is: 37,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,117.94 : 121,677.18 = 24,957.66 : x
  2. Step 2: Convert to fraction form
    81,117.94/121,677.18 = 24,957.66/x
  3. Step 3: Cross multiply
    81,117.94x = 121,677.18 × 24,957.66
  4. Step 4: Simplify right side
    81,117.94x = 3,036,777,688.20
  5. Step 5: Solve for x
    x = 3,036,777,688.20/81,117.94
  6. Step 6: Final answer
    x = 37,436.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.