Home / 48,708.20-72,932.70-31,082.60

Finding the Fourth Proportional to 48,708.20, 72,932.70 and 31,082.60

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Solution

The fourth proportional to 48,708.20, 72,932.70 and 31,082.60 is: 46,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,708.20 : 72,932.70 = 31,082.60 : x
  2. Step 2: Convert to fraction form
    48,708.20/72,932.70 = 31,082.60/x
  3. Step 3: Cross multiply
    48,708.20x = 72,932.70 × 31,082.60
  4. Step 4: Simplify right side
    48,708.20x = 2,266,937,941.02
  5. Step 5: Solve for x
    x = 2,266,937,941.02/48,708.20
  6. Step 6: Final answer
    x = 46,541.20

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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.