Home / 52,278.12-72,144.96-31,057.44

Finding the Fourth Proportional to 52,278.12, 72,144.96 and 31,057.44

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Solution

The fourth proportional to 52,278.12, 72,144.96 and 31,057.44 is: 42,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278.12 : 72,144.96 = 31,057.44 : x
  2. Step 2: Convert to fraction form
    52,278.12/72,144.96 = 31,057.44/x
  3. Step 3: Cross multiply
    52,278.12x = 72,144.96 × 31,057.44
  4. Step 4: Simplify right side
    52,278.12x = 2,240,637,766.50
  5. Step 5: Solve for x
    x = 2,240,637,766.50/52,278.12
  6. Step 6: Final answer
    x = 42,859.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.