Home / 47,139.31-65,052.51-25,919.95

Finding the Fourth Proportional to 47,139.31, 65,052.51 and 25,919.95

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Solution

The fourth proportional to 47,139.31, 65,052.51 and 25,919.95 is: 35,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139.31 : 65,052.51 = 25,919.95 : x
  2. Step 2: Convert to fraction form
    47,139.31/65,052.51 = 25,919.95/x
  3. Step 3: Cross multiply
    47,139.31x = 65,052.51 × 25,919.95
  4. Step 4: Simplify right side
    47,139.31x = 1,686,157,806.57
  5. Step 5: Solve for x
    x = 1,686,157,806.57/47,139.31
  6. Step 6: Final answer
    x = 35,769.68

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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.