Home / 121,461.04-167,616.52-67,749.53

Finding the Fourth Proportional to 121,461.04, 167,616.52 and 67,749.53

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Solution

The fourth proportional to 121,461.04, 167,616.52 and 67,749.53 is: 93,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,461.04 : 167,616.52 = 67,749.53 : x
  2. Step 2: Convert to fraction form
    121,461.04/167,616.52 = 67,749.53/x
  3. Step 3: Cross multiply
    121,461.04x = 167,616.52 × 67,749.53
  4. Step 4: Simplify right side
    121,461.04x = 11,355,940,450.24
  5. Step 5: Solve for x
    x = 11,355,940,450.24/121,461.04
  6. Step 6: Final answer
    x = 93,494.51

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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.