Home / 111,608.24-154,020.51-60,621.47

Finding the Fourth Proportional to 111,608.24, 154,020.51 and 60,621.47

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Solution

The fourth proportional to 111,608.24, 154,020.51 and 60,621.47 is: 83,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,608.24 : 154,020.51 = 60,621.47 : x
  2. Step 2: Convert to fraction form
    111,608.24/154,020.51 = 60,621.47/x
  3. Step 3: Cross multiply
    111,608.24x = 154,020.51 × 60,621.47
  4. Step 4: Simplify right side
    111,608.24x = 9,336,949,726.35
  5. Step 5: Solve for x
    x = 9,336,949,726.35/111,608.24
  6. Step 6: Final answer
    x = 83,658.25

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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.