Home / 217,868.63-326,805.99-57,947.30

Finding the Fourth Proportional to 217,868.63, 326,805.99 and 57,947.30

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Solution

The fourth proportional to 217,868.63, 326,805.99 and 57,947.30 is: 86,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,868.63 : 326,805.99 = 57,947.30 : x
  2. Step 2: Convert to fraction form
    217,868.63/326,805.99 = 57,947.30/x
  3. Step 3: Cross multiply
    217,868.63x = 326,805.99 × 57,947.30
  4. Step 4: Simplify right side
    217,868.63x = 18,937,522,820.56
  5. Step 5: Solve for x
    x = 18,937,522,820.56/217,868.63
  6. Step 6: Final answer
    x = 86,921.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.