Home / 109,818.17-151,556.80-62,071.88

Finding the Fourth Proportional to 109,818.17, 151,556.80 and 62,071.88

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Solution

The fourth proportional to 109,818.17, 151,556.80 and 62,071.88 is: 85,663.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,818.17 : 151,556.80 = 62,071.88 : x
  2. Step 2: Convert to fraction form
    109,818.17/151,556.80 = 62,071.88/x
  3. Step 3: Cross multiply
    109,818.17x = 151,556.80 × 62,071.88
  4. Step 4: Simplify right side
    109,818.17x = 9,407,414,589.82
  5. Step 5: Solve for x
    x = 9,407,414,589.82/109,818.17
  6. Step 6: Final answer
    x = 85,663.56

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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.