Home / 48,505.96-72,758.85-13,445.65

Finding the Fourth Proportional to 48,505.96, 72,758.85 and 13,445.65

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Solution

The fourth proportional to 48,505.96, 72,758.85 and 13,445.65 is: 20,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,505.96 : 72,758.85 = 13,445.65 : x
  2. Step 2: Convert to fraction form
    48,505.96/72,758.85 = 13,445.65/x
  3. Step 3: Cross multiply
    48,505.96x = 72,758.85 × 13,445.65
  4. Step 4: Simplify right side
    48,505.96x = 978,290,031.50
  5. Step 5: Solve for x
    x = 978,290,031.50/48,505.96
  6. Step 6: Final answer
    x = 20,168.45

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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.