Home / 121,167.48-167,217.54-67,457.18

Finding the Fourth Proportional to 121,167.48, 167,217.54 and 67,457.18

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Solution

The fourth proportional to 121,167.48, 167,217.54 and 67,457.18 is: 93,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,167.48 : 167,217.54 = 67,457.18 : x
  2. Step 2: Convert to fraction form
    121,167.48/167,217.54 = 67,457.18/x
  3. Step 3: Cross multiply
    121,167.48x = 167,217.54 × 67,457.18
  4. Step 4: Simplify right side
    121,167.48x = 11,280,023,694.94
  5. Step 5: Solve for x
    x = 11,280,023,694.94/121,167.48
  6. Step 6: Final answer
    x = 93,094.48

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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.