Home / 68,022.39-101,519.21-66,250.92

Finding the Fourth Proportional to 68,022.39, 101,519.21 and 66,250.92

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Solution

The fourth proportional to 68,022.39, 101,519.21 and 66,250.92 is: 98,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,022.39 : 101,519.21 = 66,250.92 : x
  2. Step 2: Convert to fraction form
    68,022.39/101,519.21 = 66,250.92/x
  3. Step 3: Cross multiply
    68,022.39x = 101,519.21 × 66,250.92
  4. Step 4: Simplify right side
    68,022.39x = 6,725,740,728.92
  5. Step 5: Solve for x
    x = 6,725,740,728.92/68,022.39
  6. Step 6: Final answer
    x = 98,875.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.