Home / 45,729.47-63,105.05-25,311.57

Finding the Fourth Proportional to 45,729.47, 63,105.05 and 25,311.57

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Solution

The fourth proportional to 45,729.47, 63,105.05 and 25,311.57 is: 34,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,729.47 : 63,105.05 = 25,311.57 : x
  2. Step 2: Convert to fraction form
    45,729.47/63,105.05 = 25,311.57/x
  3. Step 3: Cross multiply
    45,729.47x = 63,105.05 × 25,311.57
  4. Step 4: Simplify right side
    45,729.47x = 1,597,287,787.93
  5. Step 5: Solve for x
    x = 1,597,287,787.93/45,729.47
  6. Step 6: Final answer
    x = 34,929.07

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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.