Home / 76,510.08-114,937.92-45,365.76

Finding the Fourth Proportional to 76,510.08, 114,937.92 and 45,365.76

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Solution

The fourth proportional to 76,510.08, 114,937.92 and 45,365.76 is: 68,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,510.08 : 114,937.92 = 45,365.76 : x
  2. Step 2: Convert to fraction form
    76,510.08/114,937.92 = 45,365.76/x
  3. Step 3: Cross multiply
    76,510.08x = 114,937.92 × 45,365.76
  4. Step 4: Simplify right side
    76,510.08x = 5,214,246,093.62
  5. Step 5: Solve for x
    x = 5,214,246,093.62/76,510.08
  6. Step 6: Final answer
    x = 68,151.10

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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.