Home / 48,169.81-72,275.51-18,608.46

Finding the Fourth Proportional to 48,169.81, 72,275.51 and 18,608.46

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Solution

The fourth proportional to 48,169.81, 72,275.51 and 18,608.46 is: 27,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,169.81 : 72,275.51 = 18,608.46 : x
  2. Step 2: Convert to fraction form
    48,169.81/72,275.51 = 18,608.46/x
  3. Step 3: Cross multiply
    48,169.81x = 72,275.51 × 18,608.46
  4. Step 4: Simplify right side
    48,169.81x = 1,344,935,936.81
  5. Step 5: Solve for x
    x = 1,344,935,936.81/48,169.81
  6. Step 6: Final answer
    x = 27,920.72

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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.