Home / 121,462.04-167,617.90-67,750.53

Finding the Fourth Proportional to 121,462.04, 167,617.90 and 67,750.53

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Solution

The fourth proportional to 121,462.04, 167,617.90 and 67,750.53 is: 93,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,462.04 : 167,617.90 = 67,750.53 : x
  2. Step 2: Convert to fraction form
    121,462.04/167,617.90 = 67,750.53/x
  3. Step 3: Cross multiply
    121,462.04x = 167,617.90 × 67,750.53
  4. Step 4: Simplify right side
    121,462.04x = 11,356,201,562.49
  5. Step 5: Solve for x
    x = 11,356,201,562.49/121,462.04
  6. Step 6: Final answer
    x = 93,495.89

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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.