Home / 65,827.20-90,841.02-35,612.43

Finding the Fourth Proportional to 65,827.20, 90,841.02 and 35,612.43

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Solution

The fourth proportional to 65,827.20, 90,841.02 and 35,612.43 is: 49,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,827.20 : 90,841.02 = 35,612.43 : x
  2. Step 2: Convert to fraction form
    65,827.20/90,841.02 = 35,612.43/x
  3. Step 3: Cross multiply
    65,827.20x = 90,841.02 × 35,612.43
  4. Step 4: Simplify right side
    65,827.20x = 3,235,069,125.22
  5. Step 5: Solve for x
    x = 3,235,069,125.22/65,827.20
  6. Step 6: Final answer
    x = 49,144.87

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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.