Home / 111,233.92-153,516.28-62,837.88

Finding the Fourth Proportional to 111,233.92, 153,516.28 and 62,837.88

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Solution

The fourth proportional to 111,233.92, 153,516.28 and 62,837.88 is: 86,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,233.92 : 153,516.28 = 62,837.88 : x
  2. Step 2: Convert to fraction form
    111,233.92/153,516.28 = 62,837.88/x
  3. Step 3: Cross multiply
    111,233.92x = 153,516.28 × 62,837.88
  4. Step 4: Simplify right side
    111,233.92x = 9,646,637,580.69
  5. Step 5: Solve for x
    x = 9,646,637,580.69/111,233.92
  6. Step 6: Final answer
    x = 86,723.88

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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.