Home / 80,916.54-121,370.40-24,756.65

Finding the Fourth Proportional to 80,916.54, 121,370.40 and 24,756.65

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Solution

The fourth proportional to 80,916.54, 121,370.40 and 24,756.65 is: 37,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,916.54 : 121,370.40 = 24,756.65 : x
  2. Step 2: Convert to fraction form
    80,916.54/121,370.40 = 24,756.65/x
  3. Step 3: Cross multiply
    80,916.54x = 121,370.40 × 24,756.65
  4. Step 4: Simplify right side
    80,916.54x = 3,004,725,044.16
  5. Step 5: Solve for x
    x = 3,004,725,044.16/80,916.54
  6. Step 6: Final answer
    x = 37,133.63

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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.