Home / 52,778.55-79,158.09-14,310.78

Finding the Fourth Proportional to 52,778.55, 79,158.09 and 14,310.78

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Solution

The fourth proportional to 52,778.55, 79,158.09 and 14,310.78 is: 21,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.55 : 79,158.09 = 14,310.78 : x
  2. Step 2: Convert to fraction form
    52,778.55/79,158.09 = 14,310.78/x
  3. Step 3: Cross multiply
    52,778.55x = 79,158.09 × 14,310.78
  4. Step 4: Simplify right side
    52,778.55x = 1,132,814,011.21
  5. Step 5: Solve for x
    x = 1,132,814,011.21/52,778.55
  6. Step 6: Final answer
    x = 21,463.53

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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.