Home / 100,714.73-151,071.18-47,964.29

Finding the Fourth Proportional to 100,714.73, 151,071.18 and 47,964.29

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Solution

The fourth proportional to 100,714.73, 151,071.18 and 47,964.29 is: 71,945.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,714.73 : 151,071.18 = 47,964.29 : x
  2. Step 2: Convert to fraction form
    100,714.73/151,071.18 = 47,964.29/x
  3. Step 3: Cross multiply
    100,714.73x = 151,071.18 × 47,964.29
  4. Step 4: Simplify right side
    100,714.73x = 7,246,020,952.94
  5. Step 5: Solve for x
    x = 7,246,020,952.94/100,714.73
  6. Step 6: Final answer
    x = 71,945.99

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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.