Home / 121,655.24-167,882.54-70,696.76

Finding the Fourth Proportional to 121,655.24, 167,882.54 and 70,696.76

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Solution

The fourth proportional to 121,655.24, 167,882.54 and 70,696.76 is: 97,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,655.24 : 167,882.54 = 70,696.76 : x
  2. Step 2: Convert to fraction form
    121,655.24/167,882.54 = 70,696.76/x
  3. Step 3: Cross multiply
    121,655.24x = 167,882.54 × 70,696.76
  4. Step 4: Simplify right side
    121,655.24x = 11,868,751,638.57
  5. Step 5: Solve for x
    x = 11,868,751,638.57/121,655.24
  6. Step 6: Final answer
    x = 97,560.55

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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.