Home / 111,640.16-154,062.76-60,652.48

Finding the Fourth Proportional to 111,640.16, 154,062.76 and 60,652.48

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Solution

The fourth proportional to 111,640.16, 154,062.76 and 60,652.48 is: 83,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,640.16 : 154,062.76 = 60,652.48 : x
  2. Step 2: Convert to fraction form
    111,640.16/154,062.76 = 60,652.48/x
  3. Step 3: Cross multiply
    111,640.16x = 154,062.76 × 60,652.48
  4. Step 4: Simplify right side
    111,640.16x = 9,344,288,469.64
  5. Step 5: Solve for x
    x = 9,344,288,469.64/111,640.16
  6. Step 6: Final answer
    x = 83,700.06

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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.