Home / 48,181.98-72,265.68-13,124.40

Finding the Fourth Proportional to 48,181.98, 72,265.68 and 13,124.40

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Solution

The fourth proportional to 48,181.98, 72,265.68 and 13,124.40 is: 19,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,181.98 : 72,265.68 = 13,124.40 : x
  2. Step 2: Convert to fraction form
    48,181.98/72,265.68 = 13,124.40/x
  3. Step 3: Cross multiply
    48,181.98x = 72,265.68 × 13,124.40
  4. Step 4: Simplify right side
    48,181.98x = 948,443,690.59
  5. Step 5: Solve for x
    x = 948,443,690.59/48,181.98
  6. Step 6: Final answer
    x = 19,684.61

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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.