Home / 47,082.89-64,947.24-28,209.08

Finding the Fourth Proportional to 47,082.89, 64,947.24 and 28,209.08

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Solution

The fourth proportional to 47,082.89, 64,947.24 and 28,209.08 is: 38,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,082.89 : 64,947.24 = 28,209.08 : x
  2. Step 2: Convert to fraction form
    47,082.89/64,947.24 = 28,209.08/x
  3. Step 3: Cross multiply
    47,082.89x = 64,947.24 × 28,209.08
  4. Step 4: Simplify right side
    47,082.89x = 1,832,101,564.20
  5. Step 5: Solve for x
    x = 1,832,101,564.20/47,082.89
  6. Step 6: Final answer
    x = 38,912.26

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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.