Home / 48,686.40-73,029.60-41,428.80

Finding the Fourth Proportional to 48,686.40, 73,029.60 and 41,428.80

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Solution

The fourth proportional to 48,686.40, 73,029.60 and 41,428.80 is: 62,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,686.40 : 73,029.60 = 41,428.80 : x
  2. Step 2: Convert to fraction form
    48,686.40/73,029.60 = 41,428.80/x
  3. Step 3: Cross multiply
    48,686.40x = 73,029.60 × 41,428.80
  4. Step 4: Simplify right side
    48,686.40x = 3,025,528,692.48
  5. Step 5: Solve for x
    x = 3,025,528,692.48/48,686.40
  6. Step 6: Final answer
    x = 62,143.20

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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.