Home / 78,359.23-108,134.89-44,366.77

Finding the Fourth Proportional to 78,359.23, 108,134.89 and 44,366.77

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Solution

The fourth proportional to 78,359.23, 108,134.89 and 44,366.77 is: 61,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,359.23 : 108,134.89 = 44,366.77 : x
  2. Step 2: Convert to fraction form
    78,359.23/108,134.89 = 44,366.77/x
  3. Step 3: Cross multiply
    78,359.23x = 108,134.89 × 44,366.77
  4. Step 4: Simplify right side
    78,359.23x = 4,797,595,793.61
  5. Step 5: Solve for x
    x = 4,797,595,793.61/78,359.23
  6. Step 6: Final answer
    x = 61,225.66

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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.