Home / 82,912.23-114,437.30-52,691.63

Finding the Fourth Proportional to 82,912.23, 114,437.30 and 52,691.63

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Solution

The fourth proportional to 82,912.23, 114,437.30 and 52,691.63 is: 72,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912.23 : 114,437.30 = 52,691.63 : x
  2. Step 2: Convert to fraction form
    82,912.23/114,437.30 = 52,691.63/x
  3. Step 3: Cross multiply
    82,912.23x = 114,437.30 × 52,691.63
  4. Step 4: Simplify right side
    82,912.23x = 6,029,887,034.15
  5. Step 5: Solve for x
    x = 6,029,887,034.15/82,912.23
  6. Step 6: Final answer
    x = 72,726.15

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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.