Home / 76,660.16-114,951.28-35,071.52

Finding the Fourth Proportional to 76,660.16, 114,951.28 and 35,071.52

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Solution

The fourth proportional to 76,660.16, 114,951.28 and 35,071.52 is: 52,589.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,660.16 : 114,951.28 = 35,071.52 : x
  2. Step 2: Convert to fraction form
    76,660.16/114,951.28 = 35,071.52/x
  3. Step 3: Cross multiply
    76,660.16x = 114,951.28 × 35,071.52
  4. Step 4: Simplify right side
    76,660.16x = 4,031,516,115.55
  5. Step 5: Solve for x
    x = 4,031,516,115.55/76,660.16
  6. Step 6: Final answer
    x = 52,589.46

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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.