Home / 111,665.42-167,475.85-54,714.86

Finding the Fourth Proportional to 111,665.42, 167,475.85 and 54,714.86

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Solution

The fourth proportional to 111,665.42, 167,475.85 and 54,714.86 is: 82,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,665.42 : 167,475.85 = 54,714.86 : x
  2. Step 2: Convert to fraction form
    111,665.42/167,475.85 = 54,714.86/x
  3. Step 3: Cross multiply
    111,665.42x = 167,475.85 × 54,714.86
  4. Step 4: Simplify right side
    111,665.42x = 9,163,417,686.13
  5. Step 5: Solve for x
    x = 9,163,417,686.13/111,665.42
  6. Step 6: Final answer
    x = 82,061.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.