Home / 48,503.56-72,766.14-18,923.08

Finding the Fourth Proportional to 48,503.56, 72,766.14 and 18,923.08

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Solution

The fourth proportional to 48,503.56, 72,766.14 and 18,923.08 is: 28,388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,503.56 : 72,766.14 = 18,923.08 : x
  2. Step 2: Convert to fraction form
    48,503.56/72,766.14 = 18,923.08/x
  3. Step 3: Cross multiply
    48,503.56x = 72,766.14 × 18,923.08
  4. Step 4: Simplify right side
    48,503.56x = 1,376,959,488.51
  5. Step 5: Solve for x
    x = 1,376,959,488.51/48,503.56
  6. Step 6: Final answer
    x = 28,388.83

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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.