Home / 91,968.49-137,923.57-39,363.85

Finding the Fourth Proportional to 91,968.49, 137,923.57 and 39,363.85

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Solution

The fourth proportional to 91,968.49, 137,923.57 and 39,363.85 is: 59,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,968.49 : 137,923.57 = 39,363.85 : x
  2. Step 2: Convert to fraction form
    91,968.49/137,923.57 = 39,363.85/x
  3. Step 3: Cross multiply
    91,968.49x = 137,923.57 × 39,363.85
  4. Step 4: Simplify right side
    91,968.49x = 5,429,201,834.51
  5. Step 5: Solve for x
    x = 5,429,201,834.51/91,968.49
  6. Step 6: Final answer
    x = 59,033.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.