Home / 121,701.27-167,941.76-67,975.59

Finding the Fourth Proportional to 121,701.27, 167,941.76 and 67,975.59

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Solution

The fourth proportional to 121,701.27, 167,941.76 and 67,975.59 is: 93,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,701.27 : 167,941.76 = 67,975.59 : x
  2. Step 2: Convert to fraction form
    121,701.27/167,941.76 = 67,975.59/x
  3. Step 3: Cross multiply
    121,701.27x = 167,941.76 × 67,975.59
  4. Step 4: Simplify right side
    121,701.27x = 11,415,939,881.76
  5. Step 5: Solve for x
    x = 11,415,939,881.76/121,701.27
  6. Step 6: Final answer
    x = 93,802.96

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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.