Home / 48,787.86-73,206.40-19,226.90

Finding the Fourth Proportional to 48,787.86, 73,206.40 and 19,226.90

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Solution

The fourth proportional to 48,787.86, 73,206.40 and 19,226.90 is: 28,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,787.86 : 73,206.40 = 19,226.90 : x
  2. Step 2: Convert to fraction form
    48,787.86/73,206.40 = 19,226.90/x
  3. Step 3: Cross multiply
    48,787.86x = 73,206.40 × 19,226.90
  4. Step 4: Simplify right side
    48,787.86x = 1,407,532,132.16
  5. Step 5: Solve for x
    x = 1,407,532,132.16/48,787.86
  6. Step 6: Final answer
    x = 28,850.05

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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.