Home / 111,607.24-154,019.13-60,620.47

Finding the Fourth Proportional to 111,607.24, 154,019.13 and 60,620.47

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Solution

The fourth proportional to 111,607.24, 154,019.13 and 60,620.47 is: 83,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,607.24 : 154,019.13 = 60,620.47 : x
  2. Step 2: Convert to fraction form
    111,607.24/154,019.13 = 60,620.47/x
  3. Step 3: Cross multiply
    111,607.24x = 154,019.13 × 60,620.47
  4. Step 4: Simplify right side
    111,607.24x = 9,336,712,049.59
  5. Step 5: Solve for x
    x = 9,336,712,049.59/111,607.24
  6. Step 6: Final answer
    x = 83,656.87

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1.5x scale

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.