Home / 112,438.24-155,158.68-62,134

Finding the Fourth Proportional to 112,438.24, 155,158.68 and 62,134

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Solution

The fourth proportional to 112,438.24, 155,158.68 and 62,134 is: 85,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,438.24 : 155,158.68 = 62,134 : x
  2. Step 2: Convert to fraction form
    112,438.24/155,158.68 = 62,134/x
  3. Step 3: Cross multiply
    112,438.24x = 155,158.68 × 62,134
  4. Step 4: Simplify right side
    112,438.24x = 9,640,629,423.12
  5. Step 5: Solve for x
    x = 9,640,629,423.12/112,438.24
  6. Step 6: Final answer
    x = 85,741.55

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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.