Home / 112,606.38-155,399.07-62,306.22

Finding the Fourth Proportional to 112,606.38, 155,399.07 and 62,306.22

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Solution

The fourth proportional to 112,606.38, 155,399.07 and 62,306.22 is: 85,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,606.38 : 155,399.07 = 62,306.22 : x
  2. Step 2: Convert to fraction form
    112,606.38/155,399.07 = 62,306.22/x
  3. Step 3: Cross multiply
    112,606.38x = 155,399.07 × 62,306.22
  4. Step 4: Simplify right side
    112,606.38x = 9,682,328,643.22
  5. Step 5: Solve for x
    x = 9,682,328,643.22/112,606.38
  6. Step 6: Final answer
    x = 85,983.84

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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.