Home / 48,839.40-73,259.10-28,103.40

Finding the Fourth Proportional to 48,839.40, 73,259.10 and 28,103.40

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Solution

The fourth proportional to 48,839.40, 73,259.10 and 28,103.40 is: 42,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,839.40 : 73,259.10 = 28,103.40 : x
  2. Step 2: Convert to fraction form
    48,839.40/73,259.10 = 28,103.40/x
  3. Step 3: Cross multiply
    48,839.40x = 73,259.10 × 28,103.40
  4. Step 4: Simplify right side
    48,839.40x = 2,058,829,790.94
  5. Step 5: Solve for x
    x = 2,058,829,790.94/48,839.40
  6. Step 6: Final answer
    x = 42,155.10

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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.