Home / 111,785.76-154,257.48-64,028.16

Finding the Fourth Proportional to 111,785.76, 154,257.48 and 64,028.16

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Solution

The fourth proportional to 111,785.76, 154,257.48 and 64,028.16 is: 88,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,785.76 : 154,257.48 = 64,028.16 : x
  2. Step 2: Convert to fraction form
    111,785.76/154,257.48 = 64,028.16/x
  3. Step 3: Cross multiply
    111,785.76x = 154,257.48 × 64,028.16
  4. Step 4: Simplify right side
    111,785.76x = 9,876,822,610.64
  5. Step 5: Solve for x
    x = 9,876,822,610.64/111,785.76
  6. Step 6: Final answer
    x = 88,354.93

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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.