Home / 48,432.40-72,706.20-27,389.20

Finding the Fourth Proportional to 48,432.40, 72,706.20 and 27,389.20

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Solution

The fourth proportional to 48,432.40, 72,706.20 and 27,389.20 is: 41,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,432.40 : 72,706.20 = 27,389.20 : x
  2. Step 2: Convert to fraction form
    48,432.40/72,706.20 = 27,389.20/x
  3. Step 3: Cross multiply
    48,432.40x = 72,706.20 × 27,389.20
  4. Step 4: Simplify right side
    48,432.40x = 1,991,364,653.04
  5. Step 5: Solve for x
    x = 1,991,364,653.04/48,432.40
  6. Step 6: Final answer
    x = 41,116.37

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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.