Home / 121,767.08-168,036.90-68,052.92

Finding the Fourth Proportional to 121,767.08, 168,036.90 and 68,052.92

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Solution

The fourth proportional to 121,767.08, 168,036.90 and 68,052.92 is: 93,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,767.08 : 168,036.90 = 68,052.92 : x
  2. Step 2: Convert to fraction form
    121,767.08/168,036.90 = 68,052.92/x
  3. Step 3: Cross multiply
    121,767.08x = 168,036.90 × 68,052.92
  4. Step 4: Simplify right side
    121,767.08x = 11,435,401,712.75
  5. Step 5: Solve for x
    x = 11,435,401,712.75/121,767.08
  6. Step 6: Final answer
    x = 93,912.10

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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.