Home / 54,113.32-81,077.10-48,635.02

Finding the Fourth Proportional to 54,113.32, 81,077.10 and 48,635.02

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Solution

The fourth proportional to 54,113.32, 81,077.10 and 48,635.02 is: 72,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.32 : 81,077.10 = 48,635.02 : x
  2. Step 2: Convert to fraction form
    54,113.32/81,077.10 = 48,635.02/x
  3. Step 3: Cross multiply
    54,113.32x = 81,077.10 × 48,635.02
  4. Step 4: Simplify right side
    54,113.32x = 3,943,186,380.04
  5. Step 5: Solve for x
    x = 3,943,186,380.04/54,113.32
  6. Step 6: Final answer
    x = 72,869.05

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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.