Home / 71,028.40-98,056.05-51,886.69

Finding the Fourth Proportional to 71,028.40, 98,056.05 and 51,886.69

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Solution

The fourth proportional to 71,028.40, 98,056.05 and 51,886.69 is: 71,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,028.40 : 98,056.05 = 51,886.69 : x
  2. Step 2: Convert to fraction form
    71,028.40/98,056.05 = 51,886.69/x
  3. Step 3: Cross multiply
    71,028.40x = 98,056.05 × 51,886.69
  4. Step 4: Simplify right side
    71,028.40x = 5,087,803,868.97
  5. Step 5: Solve for x
    x = 5,087,803,868.97/71,028.40
  6. Step 6: Final answer
    x = 71,630.56

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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.