Home / 107,938.41-148,955.66-60,194.78

Finding the Fourth Proportional to 107,938.41, 148,955.66 and 60,194.78

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Solution

The fourth proportional to 107,938.41, 148,955.66 and 60,194.78 is: 83,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,938.41 : 148,955.66 = 60,194.78 : x
  2. Step 2: Convert to fraction form
    107,938.41/148,955.66 = 60,194.78/x
  3. Step 3: Cross multiply
    107,938.41x = 148,955.66 × 60,194.78
  4. Step 4: Simplify right side
    107,938.41x = 8,966,352,137.70
  5. Step 5: Solve for x
    x = 8,966,352,137.70/107,938.41
  6. Step 6: Final answer
    x = 83,069.15

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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.