Home / 71,028.28-98,055.88-51,886.56

Finding the Fourth Proportional to 71,028.28, 98,055.88 and 51,886.56

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Solution

The fourth proportional to 71,028.28, 98,055.88 and 51,886.56 is: 71,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,028.28 : 98,055.88 = 51,886.56 : x
  2. Step 2: Convert to fraction form
    71,028.28/98,055.88 = 51,886.56/x
  3. Step 3: Cross multiply
    71,028.28x = 98,055.88 × 51,886.56
  4. Step 4: Simplify right side
    71,028.28x = 5,087,782,300.97
  5. Step 5: Solve for x
    x = 5,087,782,300.97/71,028.28
  6. Step 6: Final answer
    x = 71,630.37

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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.