Home / 53,352.57-79,885.46-40,641.78

Finding the Fourth Proportional to 53,352.57, 79,885.46 and 40,641.78

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Solution

The fourth proportional to 53,352.57, 79,885.46 and 40,641.78 is: 60,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,352.57 : 79,885.46 = 40,641.78 : x
  2. Step 2: Convert to fraction form
    53,352.57/79,885.46 = 40,641.78/x
  3. Step 3: Cross multiply
    53,352.57x = 79,885.46 × 40,641.78
  4. Step 4: Simplify right side
    53,352.57x = 3,246,687,420.22
  5. Step 5: Solve for x
    x = 3,246,687,420.22/53,352.57
  6. Step 6: Final answer
    x = 60,853.44

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1.5x scale

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.