Home / 121,641.02-167,865.43-67,926.68

Finding the Fourth Proportional to 121,641.02, 167,865.43 and 67,926.68

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Solution

The fourth proportional to 121,641.02, 167,865.43 and 67,926.68 is: 93,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,641.02 : 167,865.43 = 67,926.68 : x
  2. Step 2: Convert to fraction form
    121,641.02/167,865.43 = 67,926.68/x
  3. Step 3: Cross multiply
    121,641.02x = 167,865.43 × 67,926.68
  4. Step 4: Simplify right side
    121,641.02x = 11,402,541,346.67
  5. Step 5: Solve for x
    x = 11,402,541,346.67/121,641.02
  6. Step 6: Final answer
    x = 93,739.28

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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.