Home / 48,612.29-72,922.55-13,551.98

Finding the Fourth Proportional to 48,612.29, 72,922.55 and 13,551.98

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Solution

The fourth proportional to 48,612.29, 72,922.55 and 13,551.98 is: 20,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,612.29 : 72,922.55 = 13,551.98 : x
  2. Step 2: Convert to fraction form
    48,612.29/72,922.55 = 13,551.98/x
  3. Step 3: Cross multiply
    48,612.29x = 72,922.55 × 13,551.98
  4. Step 4: Simplify right side
    48,612.29x = 988,244,506.78
  5. Step 5: Solve for x
    x = 988,244,506.78/48,612.29
  6. Step 6: Final answer
    x = 20,329.11

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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.