Home / 78,429.48-108,236.82-44,444.57

Finding the Fourth Proportional to 78,429.48, 108,236.82 and 44,444.57

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Solution

The fourth proportional to 78,429.48, 108,236.82 and 44,444.57 is: 61,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,429.48 : 108,236.82 = 44,444.57 : x
  2. Step 2: Convert to fraction form
    78,429.48/108,236.82 = 44,444.57/x
  3. Step 3: Cross multiply
    78,429.48x = 108,236.82 × 44,444.57
  4. Step 4: Simplify right side
    78,429.48x = 4,810,538,381.88
  5. Step 5: Solve for x
    x = 4,810,538,381.88/78,429.48
  6. Step 6: Final answer
    x = 61,335.84

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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.