Home / 121,474.02-167,634.42-67,762.50

Finding the Fourth Proportional to 121,474.02, 167,634.42 and 67,762.50

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Solution

The fourth proportional to 121,474.02, 167,634.42 and 67,762.50 is: 93,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,474.02 : 167,634.42 = 67,762.50 : x
  2. Step 2: Convert to fraction form
    121,474.02/167,634.42 = 67,762.50/x
  3. Step 3: Cross multiply
    121,474.02x = 167,634.42 × 67,762.50
  4. Step 4: Simplify right side
    121,474.02x = 11,359,327,385.25
  5. Step 5: Solve for x
    x = 11,359,327,385.25/121,474.02
  6. Step 6: Final answer
    x = 93,512.40

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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.