Home / 111,177.27-153,421.80-62,119.29

Finding the Fourth Proportional to 111,177.27, 153,421.80 and 62,119.29

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Solution

The fourth proportional to 111,177.27, 153,421.80 and 62,119.29 is: 85,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,177.27 : 153,421.80 = 62,119.29 : x
  2. Step 2: Convert to fraction form
    111,177.27/153,421.80 = 62,119.29/x
  3. Step 3: Cross multiply
    111,177.27x = 153,421.80 × 62,119.29
  4. Step 4: Simplify right side
    111,177.27x = 9,530,453,286.52
  5. Step 5: Solve for x
    x = 9,530,453,286.52/111,177.27
  6. Step 6: Final answer
    x = 85,723.04

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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.