Home / 112,697.38-155,527.24-62,396.38

Finding the Fourth Proportional to 112,697.38, 155,527.24 and 62,396.38

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Solution

The fourth proportional to 112,697.38, 155,527.24 and 62,396.38 is: 86,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,697.38 : 155,527.24 = 62,396.38 : x
  2. Step 2: Convert to fraction form
    112,697.38/155,527.24 = 62,396.38/x
  3. Step 3: Cross multiply
    112,697.38x = 155,527.24 × 62,396.38
  4. Step 4: Simplify right side
    112,697.38x = 9,704,335,989.76
  5. Step 5: Solve for x
    x = 9,704,335,989.76/112,697.38
  6. Step 6: Final answer
    x = 86,109.69

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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.