Home / 112,747.64-155,583.18-62,445.56

Finding the Fourth Proportional to 112,747.64, 155,583.18 and 62,445.56

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Solution

The fourth proportional to 112,747.64, 155,583.18 and 62,445.56 is: 86,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,747.64 : 155,583.18 = 62,445.56 : x
  2. Step 2: Convert to fraction form
    112,747.64/155,583.18 = 62,445.56/x
  3. Step 3: Cross multiply
    112,747.64x = 155,583.18 × 62,445.56
  4. Step 4: Simplify right side
    112,747.64x = 9,715,478,801.68
  5. Step 5: Solve for x
    x = 9,715,478,801.68/112,747.64
  6. Step 6: Final answer
    x = 86,170.13

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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.