Home / 57,974.49-87,356.61-47,675.21

Finding the Fourth Proportional to 57,974.49, 87,356.61 and 47,675.21

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Solution

The fourth proportional to 57,974.49, 87,356.61 and 47,675.21 is: 71,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,974.49 : 87,356.61 = 47,675.21 : x
  2. Step 2: Convert to fraction form
    57,974.49/87,356.61 = 47,675.21/x
  3. Step 3: Cross multiply
    57,974.49x = 87,356.61 × 47,675.21
  4. Step 4: Simplify right side
    57,974.49x = 4,164,744,289.86
  5. Step 5: Solve for x
    x = 4,164,744,289.86/57,974.49
  6. Step 6: Final answer
    x = 71,837.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.