Home / 45,253.25-67,888.98-15,670.43

Finding the Fourth Proportional to 45,253.25, 67,888.98 and 15,670.43

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Solution

The fourth proportional to 45,253.25, 67,888.98 and 15,670.43 is: 23,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,253.25 : 67,888.98 = 15,670.43 : x
  2. Step 2: Convert to fraction form
    45,253.25/67,888.98 = 15,670.43/x
  3. Step 3: Cross multiply
    45,253.25x = 67,888.98 × 15,670.43
  4. Step 4: Simplify right side
    45,253.25x = 1,063,849,169.42
  5. Step 5: Solve for x
    x = 1,063,849,169.42/45,253.25
  6. Step 6: Final answer
    x = 23,508.79

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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.