Home / 78,741.03-108,665.35-44,750.95

Finding the Fourth Proportional to 78,741.03, 108,665.35 and 44,750.95

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Solution

The fourth proportional to 78,741.03, 108,665.35 and 44,750.95 is: 61,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,741.03 : 108,665.35 = 44,750.95 : x
  2. Step 2: Convert to fraction form
    78,741.03/108,665.35 = 44,750.95/x
  3. Step 3: Cross multiply
    78,741.03x = 108,665.35 × 44,750.95
  4. Step 4: Simplify right side
    78,741.03x = 4,862,877,428.86
  5. Step 5: Solve for x
    x = 4,862,877,428.86/78,741.03
  6. Step 6: Final answer
    x = 61,757.86

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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.