Home / 111,714.78-154,159.92-60,727.26

Finding the Fourth Proportional to 111,714.78, 154,159.92 and 60,727.26

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Solution

The fourth proportional to 111,714.78, 154,159.92 and 60,727.26 is: 83,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,714.78 : 154,159.92 = 60,727.26 : x
  2. Step 2: Convert to fraction form
    111,714.78/154,159.92 = 60,727.26/x
  3. Step 3: Cross multiply
    111,714.78x = 154,159.92 × 60,727.26
  4. Step 4: Simplify right side
    111,714.78x = 9,361,709,543.42
  5. Step 5: Solve for x
    x = 9,361,709,543.42/111,714.78
  6. Step 6: Final answer
    x = 83,800.10

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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.