Home / 110,354.12-152,278.14-61,944.95

Finding the Fourth Proportional to 110,354.12, 152,278.14 and 61,944.95

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Solution

The fourth proportional to 110,354.12, 152,278.14 and 61,944.95 is: 85,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,354.12 : 152,278.14 = 61,944.95 : x
  2. Step 2: Convert to fraction form
    110,354.12/152,278.14 = 61,944.95/x
  3. Step 3: Cross multiply
    110,354.12x = 152,278.14 × 61,944.95
  4. Step 4: Simplify right side
    110,354.12x = 9,432,862,149.09
  5. Step 5: Solve for x
    x = 9,432,862,149.09/110,354.12
  6. Step 6: Final answer
    x = 85,478.12

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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.