Home / 78,505.35-108,340.23-44,977.83

Finding the Fourth Proportional to 78,505.35, 108,340.23 and 44,977.83

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Solution

The fourth proportional to 78,505.35, 108,340.23 and 44,977.83 is: 62,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,505.35 : 108,340.23 = 44,977.83 : x
  2. Step 2: Convert to fraction form
    78,505.35/108,340.23 = 44,977.83/x
  3. Step 3: Cross multiply
    78,505.35x = 108,340.23 × 44,977.83
  4. Step 4: Simplify right side
    78,505.35x = 4,872,908,447.10
  5. Step 5: Solve for x
    x = 4,872,908,447.10/78,505.35
  6. Step 6: Final answer
    x = 62,071.04

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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.