Home / 111,835.72-154,337.54-64,098.28

Finding the Fourth Proportional to 111,835.72, 154,337.54 and 64,098.28

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Solution

The fourth proportional to 111,835.72, 154,337.54 and 64,098.28 is: 88,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,835.72 : 154,337.54 = 64,098.28 : x
  2. Step 2: Convert to fraction form
    111,835.72/154,337.54 = 64,098.28/x
  3. Step 3: Cross multiply
    111,835.72x = 154,337.54 × 64,098.28
  4. Step 4: Simplify right side
    111,835.72x = 9,892,770,853.43
  5. Step 5: Solve for x
    x = 9,892,770,853.43/111,835.72
  6. Step 6: Final answer
    x = 88,458.06

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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.