Home / 48,251.70-72,378.09-20,176.02

Finding the Fourth Proportional to 48,251.70, 72,378.09 and 20,176.02

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Solution

The fourth proportional to 48,251.70, 72,378.09 and 20,176.02 is: 30,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,251.70 : 72,378.09 = 20,176.02 : x
  2. Step 2: Convert to fraction form
    48,251.70/72,378.09 = 20,176.02/x
  3. Step 3: Cross multiply
    48,251.70x = 72,378.09 × 20,176.02
  4. Step 4: Simplify right side
    48,251.70x = 1,460,301,791.40
  5. Step 5: Solve for x
    x = 1,460,301,791.40/48,251.70
  6. Step 6: Final answer
    x = 30,264.26

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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.