Home / 121,276.60-167,374.02-67,570.36

Finding the Fourth Proportional to 121,276.60, 167,374.02 and 67,570.36

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Solution

The fourth proportional to 121,276.60, 167,374.02 and 67,570.36 is: 93,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,276.60 : 167,374.02 = 67,570.36 : x
  2. Step 2: Convert to fraction form
    121,276.60/167,374.02 = 67,570.36/x
  3. Step 3: Cross multiply
    121,276.60x = 167,374.02 × 67,570.36
  4. Step 4: Simplify right side
    121,276.60x = 11,309,522,786.05
  5. Step 5: Solve for x
    x = 11,309,522,786.05/121,276.60
  6. Step 6: Final answer
    x = 93,253.96

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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.