Home / 83,170.76-114,743.10-51,284.30

Finding the Fourth Proportional to 83,170.76, 114,743.10 and 51,284.30

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Solution

The fourth proportional to 83,170.76, 114,743.10 and 51,284.30 is: 70,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,170.76 : 114,743.10 = 51,284.30 : x
  2. Step 2: Convert to fraction form
    83,170.76/114,743.10 = 51,284.30/x
  3. Step 3: Cross multiply
    83,170.76x = 114,743.10 × 51,284.30
  4. Step 4: Simplify right side
    83,170.76x = 5,884,519,563.33
  5. Step 5: Solve for x
    x = 5,884,519,563.33/83,170.76
  6. Step 6: Final answer
    x = 70,752.26

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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.