Home / 47,083.26-64,947.76-28,209.45

Finding the Fourth Proportional to 47,083.26, 64,947.76 and 28,209.45

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Solution

The fourth proportional to 47,083.26, 64,947.76 and 28,209.45 is: 38,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,083.26 : 64,947.76 = 28,209.45 : x
  2. Step 2: Convert to fraction form
    47,083.26/64,947.76 = 28,209.45/x
  3. Step 3: Cross multiply
    47,083.26x = 64,947.76 × 28,209.45
  4. Step 4: Simplify right side
    47,083.26x = 1,832,140,517.81
  5. Step 5: Solve for x
    x = 1,832,140,517.81/47,083.26
  6. Step 6: Final answer
    x = 38,912.78

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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.