Home / 55,248.10-82,872.15-18,312.10

Finding the Fourth Proportional to 55,248.10, 82,872.15 and 18,312.10

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Solution

The fourth proportional to 55,248.10, 82,872.15 and 18,312.10 is: 27,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,248.10 : 82,872.15 = 18,312.10 : x
  2. Step 2: Convert to fraction form
    55,248.10/82,872.15 = 18,312.10/x
  3. Step 3: Cross multiply
    55,248.10x = 82,872.15 × 18,312.10
  4. Step 4: Simplify right side
    55,248.10x = 1,517,563,098.02
  5. Step 5: Solve for x
    x = 1,517,563,098.02/55,248.10
  6. Step 6: Final answer
    x = 27,468.15

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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.