Home / 123,676.92-170,673.28-67,088.36

Finding the Fourth Proportional to 123,676.92, 170,673.28 and 67,088.36

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Solution

The fourth proportional to 123,676.92, 170,673.28 and 67,088.36 is: 92,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,676.92 : 170,673.28 = 67,088.36 : x
  2. Step 2: Convert to fraction form
    123,676.92/170,673.28 = 67,088.36/x
  3. Step 3: Cross multiply
    123,676.92x = 170,673.28 × 67,088.36
  4. Step 4: Simplify right side
    123,676.92x = 11,450,190,451.02
  5. Step 5: Solve for x
    x = 11,450,190,451.02/123,676.92
  6. Step 6: Final answer
    x = 92,581.47

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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.