Home / 121,775.15-168,049.13-68,060.13

Finding the Fourth Proportional to 121,775.15, 168,049.13 and 68,060.13

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Solution

The fourth proportional to 121,775.15, 168,049.13 and 68,060.13 is: 93,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,775.15 : 168,049.13 = 68,060.13 : x
  2. Step 2: Convert to fraction form
    121,775.15/168,049.13 = 68,060.13/x
  3. Step 3: Cross multiply
    121,775.15x = 168,049.13 × 68,060.13
  4. Step 4: Simplify right side
    121,775.15x = 11,437,445,293.89
  5. Step 5: Solve for x
    x = 11,437,445,293.89/121,775.15
  6. Step 6: Final answer
    x = 93,922.66

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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.