Home / 48,456.18-72,708.96-28,494.54

Finding the Fourth Proportional to 48,456.18, 72,708.96 and 28,494.54

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Solution

The fourth proportional to 48,456.18, 72,708.96 and 28,494.54 is: 42,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,456.18 : 72,708.96 = 28,494.54 : x
  2. Step 2: Convert to fraction form
    48,456.18/72,708.96 = 28,494.54/x
  3. Step 3: Cross multiply
    48,456.18x = 72,708.96 × 28,494.54
  4. Step 4: Simplify right side
    48,456.18x = 2,071,808,369.08
  5. Step 5: Solve for x
    x = 2,071,808,369.08/48,456.18
  6. Step 6: Final answer
    x = 42,756.33

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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.