Home / 121,064.24-167,065.60-70,069.92

Finding the Fourth Proportional to 121,064.24, 167,065.60 and 70,069.92

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Solution

The fourth proportional to 121,064.24, 167,065.60 and 70,069.92 is: 96,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,064.24 : 167,065.60 = 70,069.92 : x
  2. Step 2: Convert to fraction form
    121,064.24/167,065.60 = 70,069.92/x
  3. Step 3: Cross multiply
    121,064.24x = 167,065.60 × 70,069.92
  4. Step 4: Simplify right side
    121,064.24x = 11,706,273,226.75
  5. Step 5: Solve for x
    x = 11,706,273,226.75/121,064.24
  6. Step 6: Final answer
    x = 96,694.72

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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.