Home / 78,370.04-108,149.64-44,385.14

Finding the Fourth Proportional to 78,370.04, 108,149.64 and 44,385.14

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Solution

The fourth proportional to 78,370.04, 108,149.64 and 44,385.14 is: 61,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,370.04 : 108,149.64 = 44,385.14 : x
  2. Step 2: Convert to fraction form
    78,370.04/108,149.64 = 44,385.14/x
  3. Step 3: Cross multiply
    78,370.04x = 108,149.64 × 44,385.14
  4. Step 4: Simplify right side
    78,370.04x = 4,800,236,912.35
  5. Step 5: Solve for x
    x = 4,800,236,912.35/78,370.04
  6. Step 6: Final answer
    x = 61,250.92

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1.5x scale

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.