Home / 76,807.23-115,230.29-32,411.13

Finding the Fourth Proportional to 76,807.23, 115,230.29 and 32,411.13

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Solution

The fourth proportional to 76,807.23, 115,230.29 and 32,411.13 is: 48,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,807.23 : 115,230.29 = 32,411.13 : x
  2. Step 2: Convert to fraction form
    76,807.23/115,230.29 = 32,411.13/x
  3. Step 3: Cross multiply
    76,807.23x = 115,230.29 × 32,411.13
  4. Step 4: Simplify right side
    76,807.23x = 3,734,743,747.07
  5. Step 5: Solve for x
    x = 3,734,743,747.07/76,807.23
  6. Step 6: Final answer
    x = 48,624.90

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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.