Home / 57,209.44-85,348.28-47,907.04

Finding the Fourth Proportional to 57,209.44, 85,348.28 and 47,907.04

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Solution

The fourth proportional to 57,209.44, 85,348.28 and 47,907.04 is: 71,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,209.44 : 85,348.28 = 47,907.04 : x
  2. Step 2: Convert to fraction form
    57,209.44/85,348.28 = 47,907.04/x
  3. Step 3: Cross multiply
    57,209.44x = 85,348.28 × 47,907.04
  4. Step 4: Simplify right side
    57,209.44x = 4,088,783,463.89
  5. Step 5: Solve for x
    x = 4,088,783,463.89/57,209.44
  6. Step 6: Final answer
    x = 71,470.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.