Home / 54,340.40-81,510.60-52,372.10

Finding the Fourth Proportional to 54,340.40, 81,510.60 and 52,372.10

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Solution

The fourth proportional to 54,340.40, 81,510.60 and 52,372.10 is: 78,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,340.40 : 81,510.60 = 52,372.10 : x
  2. Step 2: Convert to fraction form
    54,340.40/81,510.60 = 52,372.10/x
  3. Step 3: Cross multiply
    54,340.40x = 81,510.60 × 52,372.10
  4. Step 4: Simplify right side
    54,340.40x = 4,268,881,294.26
  5. Step 5: Solve for x
    x = 4,268,881,294.26/54,340.40
  6. Step 6: Final answer
    x = 78,558.15

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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.