Home / 107,209.44-147,937.86-61,872.12

Finding the Fourth Proportional to 107,209.44, 147,937.86 and 61,872.12

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Solution

The fourth proportional to 107,209.44, 147,937.86 and 61,872.12 is: 85,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,209.44 : 147,937.86 = 61,872.12 : x
  2. Step 2: Convert to fraction form
    107,209.44/147,937.86 = 61,872.12/x
  3. Step 3: Cross multiply
    107,209.44x = 147,937.86 × 61,872.12
  4. Step 4: Simplify right side
    107,209.44x = 9,153,229,026.46
  5. Step 5: Solve for x
    x = 9,153,229,026.46/107,209.44
  6. Step 6: Final answer
    x = 85,377.08

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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.