Home / 48,865.16-73,290.15-18,875.09

Finding the Fourth Proportional to 48,865.16, 73,290.15 and 18,875.09

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Solution

The fourth proportional to 48,865.16, 73,290.15 and 18,875.09 is: 28,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,865.16 : 73,290.15 = 18,875.09 : x
  2. Step 2: Convert to fraction form
    48,865.16/73,290.15 = 18,875.09/x
  3. Step 3: Cross multiply
    48,865.16x = 73,290.15 × 18,875.09
  4. Step 4: Simplify right side
    48,865.16x = 1,383,358,177.36
  5. Step 5: Solve for x
    x = 1,383,358,177.36/48,865.16
  6. Step 6: Final answer
    x = 28,309.70

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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.