Home / 111,024.12-153,207.66-68,586.36

Finding the Fourth Proportional to 111,024.12, 153,207.66 and 68,586.36

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Solution

The fourth proportional to 111,024.12, 153,207.66 and 68,586.36 is: 94,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,024.12 : 153,207.66 = 68,586.36 : x
  2. Step 2: Convert to fraction form
    111,024.12/153,207.66 = 68,586.36/x
  3. Step 3: Cross multiply
    111,024.12x = 153,207.66 × 68,586.36
  4. Step 4: Simplify right side
    111,024.12x = 10,507,955,723.52
  5. Step 5: Solve for x
    x = 10,507,955,723.52/111,024.12
  6. Step 6: Final answer
    x = 94,645.70

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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.