Home / 83,432.01-115,104.41-61,680.52

Finding the Fourth Proportional to 83,432.01, 115,104.41 and 61,680.52

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Solution

The fourth proportional to 83,432.01, 115,104.41 and 61,680.52 is: 85,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,432.01 : 115,104.41 = 61,680.52 : x
  2. Step 2: Convert to fraction form
    83,432.01/115,104.41 = 61,680.52/x
  3. Step 3: Cross multiply
    83,432.01x = 115,104.41 × 61,680.52
  4. Step 4: Simplify right side
    83,432.01x = 7,099,699,929.87
  5. Step 5: Solve for x
    x = 7,099,699,929.87/83,432.01
  6. Step 6: Final answer
    x = 85,095.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.