Home / 96,531.74-133,066.13-67,770.71

Finding the Fourth Proportional to 96,531.74, 133,066.13 and 67,770.71

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Solution

The fourth proportional to 96,531.74, 133,066.13 and 67,770.71 is: 93,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,531.74 : 133,066.13 = 67,770.71 : x
  2. Step 2: Convert to fraction form
    96,531.74/133,066.13 = 67,770.71/x
  3. Step 3: Cross multiply
    96,531.74x = 133,066.13 × 67,770.71
  4. Step 4: Simplify right side
    96,531.74x = 9,017,986,100.86
  5. Step 5: Solve for x
    x = 9,017,986,100.86/96,531.74
  6. Step 6: Final answer
    x = 93,419.91

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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.