Home / 78,914.61-108,899.40-44,920.53

Finding the Fourth Proportional to 78,914.61, 108,899.40 and 44,920.53

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Solution

The fourth proportional to 78,914.61, 108,899.40 and 44,920.53 is: 61,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,914.61 : 108,899.40 = 44,920.53 : x
  2. Step 2: Convert to fraction form
    78,914.61/108,899.40 = 44,920.53/x
  3. Step 3: Cross multiply
    78,914.61x = 108,899.40 × 44,920.53
  4. Step 4: Simplify right side
    78,914.61x = 4,891,818,764.68
  5. Step 5: Solve for x
    x = 4,891,818,764.68/78,914.61
  6. Step 6: Final answer
    x = 61,988.76

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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.