Home / 48,148.10-72,221.94-13,087.65

Finding the Fourth Proportional to 48,148.10, 72,221.94 and 13,087.65

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Solution

The fourth proportional to 48,148.10, 72,221.94 and 13,087.65 is: 19,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,148.10 : 72,221.94 = 13,087.65 : x
  2. Step 2: Convert to fraction form
    48,148.10/72,221.94 = 13,087.65/x
  3. Step 3: Cross multiply
    48,148.10x = 72,221.94 × 13,087.65
  4. Step 4: Simplify right side
    48,148.10x = 945,215,473.04
  5. Step 5: Solve for x
    x = 945,215,473.04/48,148.10
  6. Step 6: Final answer
    x = 19,631.42

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1.5x scale

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.