Home / 111,767.11-154,232.37-64,023.53

Finding the Fourth Proportional to 111,767.11, 154,232.37 and 64,023.53

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Solution

The fourth proportional to 111,767.11, 154,232.37 and 64,023.53 is: 88,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,767.11 : 154,232.37 = 64,023.53 : x
  2. Step 2: Convert to fraction form
    111,767.11/154,232.37 = 64,023.53/x
  3. Step 3: Cross multiply
    111,767.11x = 154,232.37 × 64,023.53
  4. Step 4: Simplify right side
    111,767.11x = 9,874,500,767.67
  5. Step 5: Solve for x
    x = 9,874,500,767.67/111,767.11
  6. Step 6: Final answer
    x = 88,348.90

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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.