Home / 76,541.76-114,821.28-32,160.24

Finding the Fourth Proportional to 76,541.76, 114,821.28 and 32,160.24

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Solution

The fourth proportional to 76,541.76, 114,821.28 and 32,160.24 is: 48,243.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,541.76 : 114,821.28 = 32,160.24 : x
  2. Step 2: Convert to fraction form
    76,541.76/114,821.28 = 32,160.24/x
  3. Step 3: Cross multiply
    76,541.76x = 114,821.28 × 32,160.24
  4. Step 4: Simplify right side
    76,541.76x = 3,692,679,921.91
  5. Step 5: Solve for x
    x = 3,692,679,921.91/76,541.76
  6. Step 6: Final answer
    x = 48,243.99

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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.