Home / 53,729.22-80,446.14-40,541.70

Finding the Fourth Proportional to 53,729.22, 80,446.14 and 40,541.70

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Solution

The fourth proportional to 53,729.22, 80,446.14 and 40,541.70 is: 60,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,729.22 : 80,446.14 = 40,541.70 : x
  2. Step 2: Convert to fraction form
    53,729.22/80,446.14 = 40,541.70/x
  3. Step 3: Cross multiply
    53,729.22x = 80,446.14 × 40,541.70
  4. Step 4: Simplify right side
    53,729.22x = 3,261,423,274.04
  5. Step 5: Solve for x
    x = 3,261,423,274.04/53,729.22
  6. Step 6: Final answer
    x = 60,701.11

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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.