Home / 111,785.13-154,261.95-60,796.76

Finding the Fourth Proportional to 111,785.13, 154,261.95 and 60,796.76

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Solution

The fourth proportional to 111,785.13, 154,261.95 and 60,796.76 is: 83,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,785.13 : 154,261.95 = 60,796.76 : x
  2. Step 2: Convert to fraction form
    111,785.13/154,261.95 = 60,796.76/x
  3. Step 3: Cross multiply
    111,785.13x = 154,261.95 × 60,796.76
  4. Step 4: Simplify right side
    111,785.13x = 9,378,625,979.97
  5. Step 5: Solve for x
    x = 9,378,625,979.97/111,785.13
  6. Step 6: Final answer
    x = 83,898.69

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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.