Home / 54,789.02-81,787.18-48,146.02

Finding the Fourth Proportional to 54,789.02, 81,787.18 and 48,146.02

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Solution

The fourth proportional to 54,789.02, 81,787.18 and 48,146.02 is: 71,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789.02 : 81,787.18 = 48,146.02 : x
  2. Step 2: Convert to fraction form
    54,789.02/81,787.18 = 48,146.02/x
  3. Step 3: Cross multiply
    54,789.02x = 81,787.18 × 48,146.02
  4. Step 4: Simplify right side
    54,789.02x = 3,937,727,204.02
  5. Step 5: Solve for x
    x = 3,937,727,204.02/54,789.02
  6. Step 6: Final answer
    x = 71,870.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.