Home / 76,916.48-115,360.11-32,574.36

Finding the Fourth Proportional to 76,916.48, 115,360.11 and 32,574.36

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Solution

The fourth proportional to 76,916.48, 115,360.11 and 32,574.36 is: 48,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,916.48 : 115,360.11 = 32,574.36 : x
  2. Step 2: Convert to fraction form
    76,916.48/115,360.11 = 32,574.36/x
  3. Step 3: Cross multiply
    76,916.48x = 115,360.11 × 32,574.36
  4. Step 4: Simplify right side
    76,916.48x = 3,757,781,589.91
  5. Step 5: Solve for x
    x = 3,757,781,589.91/76,916.48
  6. Step 6: Final answer
    x = 48,855.35

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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.