Home / 78,828.93-108,781.18-44,834.85

Finding the Fourth Proportional to 78,828.93, 108,781.18 and 44,834.85

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Solution

The fourth proportional to 78,828.93, 108,781.18 and 44,834.85 is: 61,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,828.93 : 108,781.18 = 44,834.85 : x
  2. Step 2: Convert to fraction form
    78,828.93/108,781.18 = 44,834.85/x
  3. Step 3: Cross multiply
    78,828.93x = 108,781.18 × 44,834.85
  4. Step 4: Simplify right side
    78,828.93x = 4,877,187,776.04
  5. Step 5: Solve for x
    x = 4,877,187,776.04/78,828.93
  6. Step 6: Final answer
    x = 61,870.53

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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.