Home / 81,110.61-121,677.49-24,955.40

Finding the Fourth Proportional to 81,110.61, 121,677.49 and 24,955.40

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Solution

The fourth proportional to 81,110.61, 121,677.49 and 24,955.40 is: 37,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,110.61 : 121,677.49 = 24,955.40 : x
  2. Step 2: Convert to fraction form
    81,110.61/121,677.49 = 24,955.40/x
  3. Step 3: Cross multiply
    81,110.61x = 121,677.49 × 24,955.40
  4. Step 4: Simplify right side
    81,110.61x = 3,036,510,433.95
  5. Step 5: Solve for x
    x = 3,036,510,433.95/81,110.61
  6. Step 6: Final answer
    x = 37,436.66

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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.