Home / 78,461.28-108,278.42-44,473.23

Finding the Fourth Proportional to 78,461.28, 108,278.42 and 44,473.23

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Solution

The fourth proportional to 78,461.28, 108,278.42 and 44,473.23 is: 61,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,461.28 : 108,278.42 = 44,473.23 : x
  2. Step 2: Convert to fraction form
    78,461.28/108,278.42 = 44,473.23/x
  3. Step 3: Cross multiply
    78,461.28x = 108,278.42 × 44,473.23
  4. Step 4: Simplify right side
    78,461.28x = 4,815,490,646.49
  5. Step 5: Solve for x
    x = 4,815,490,646.49/78,461.28
  6. Step 6: Final answer
    x = 61,374.11

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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.