Home / 52,167.15-78,256.80-18,902.88

Finding the Fourth Proportional to 52,167.15, 78,256.80 and 18,902.88

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Solution

The fourth proportional to 52,167.15, 78,256.80 and 18,902.88 is: 28,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,167.15 : 78,256.80 = 18,902.88 : x
  2. Step 2: Convert to fraction form
    52,167.15/78,256.80 = 18,902.88/x
  3. Step 3: Cross multiply
    52,167.15x = 78,256.80 × 18,902.88
  4. Step 4: Simplify right side
    52,167.15x = 1,479,278,899.58
  5. Step 5: Solve for x
    x = 1,479,278,899.58/52,167.15
  6. Step 6: Final answer
    x = 28,356.52

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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.