Home / 114,711.03-158,358.78-71,714.41

Finding the Fourth Proportional to 114,711.03, 158,358.78 and 71,714.41

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Solution

The fourth proportional to 114,711.03, 158,358.78 and 71,714.41 is: 99,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,711.03 : 158,358.78 = 71,714.41 : x
  2. Step 2: Convert to fraction form
    114,711.03/158,358.78 = 71,714.41/x
  3. Step 3: Cross multiply
    114,711.03x = 158,358.78 × 71,714.41
  4. Step 4: Simplify right side
    114,711.03x = 11,356,606,080.12
  5. Step 5: Solve for x
    x = 11,356,606,080.12/114,711.03
  6. Step 6: Final answer
    x = 99,001.87

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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.