Home / 96,873.81-145,232.28-30,279.66

Finding the Fourth Proportional to 96,873.81, 145,232.28 and 30,279.66

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Solution

The fourth proportional to 96,873.81, 145,232.28 and 30,279.66 is: 45,394.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,873.81 : 145,232.28 = 30,279.66 : x
  2. Step 2: Convert to fraction form
    96,873.81/145,232.28 = 30,279.66/x
  3. Step 3: Cross multiply
    96,873.81x = 145,232.28 × 30,279.66
  4. Step 4: Simplify right side
    96,873.81x = 4,397,584,059.42
  5. Step 5: Solve for x
    x = 4,397,584,059.42/96,873.81
  6. Step 6: Final answer
    x = 45,394.97

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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.