Home / 78,437.29-108,244.14-42,627.29

Finding the Fourth Proportional to 78,437.29, 108,244.14 and 42,627.29

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Solution

The fourth proportional to 78,437.29, 108,244.14 and 42,627.29 is: 58,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,437.29 : 108,244.14 = 42,627.29 : x
  2. Step 2: Convert to fraction form
    78,437.29/108,244.14 = 42,627.29/x
  3. Step 3: Cross multiply
    78,437.29x = 108,244.14 × 42,627.29
  4. Step 4: Simplify right side
    78,437.29x = 4,614,154,346.58
  5. Step 5: Solve for x
    x = 4,614,154,346.58/78,437.29
  6. Step 6: Final answer
    x = 58,826.03

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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.