Home / 113,020.71-155,968.79-62,033.78

Finding the Fourth Proportional to 113,020.71, 155,968.79 and 62,033.78

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Solution

The fourth proportional to 113,020.71, 155,968.79 and 62,033.78 is: 85,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,020.71 : 155,968.79 = 62,033.78 : x
  2. Step 2: Convert to fraction form
    113,020.71/155,968.79 = 62,033.78/x
  3. Step 3: Cross multiply
    113,020.71x = 155,968.79 × 62,033.78
  4. Step 4: Simplify right side
    113,020.71x = 9,675,332,515.71
  5. Step 5: Solve for x
    x = 9,675,332,515.71/113,020.71
  6. Step 6: Final answer
    x = 85,606.72

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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.