Home / 78,546.11-108,385.38-44,543.70

Finding the Fourth Proportional to 78,546.11, 108,385.38 and 44,543.70

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Solution

The fourth proportional to 78,546.11, 108,385.38 and 44,543.70 is: 61,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,546.11 : 108,385.38 = 44,543.70 : x
  2. Step 2: Convert to fraction form
    78,546.11/108,385.38 = 44,543.70/x
  3. Step 3: Cross multiply
    78,546.11x = 108,385.38 × 44,543.70
  4. Step 4: Simplify right side
    78,546.11x = 4,827,885,851.11
  5. Step 5: Solve for x
    x = 4,827,885,851.11/78,546.11
  6. Step 6: Final answer
    x = 61,465.63

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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.