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Finding the Fourth Proportional to 82,254.20, 123,089.70 and 56,010.20

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Solution

The fourth proportional to 82,254.20, 123,089.70 and 56,010.20 is: 83,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,254.20 : 123,089.70 = 56,010.20 : x
  2. Step 2: Convert to fraction form
    82,254.20/123,089.70 = 56,010.20/x
  3. Step 3: Cross multiply
    82,254.20x = 123,089.70 × 56,010.20
  4. Step 4: Simplify right side
    82,254.20x = 6,894,278,714.94
  5. Step 5: Solve for x
    x = 6,894,278,714.94/82,254.20
  6. Step 6: Final answer
    x = 83,816.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.