Home / 66,145.17-91,281.98-35,930.49

Finding the Fourth Proportional to 66,145.17, 91,281.98 and 35,930.49

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Solution

The fourth proportional to 66,145.17, 91,281.98 and 35,930.49 is: 49,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,145.17 : 91,281.98 = 35,930.49 : x
  2. Step 2: Convert to fraction form
    66,145.17/91,281.98 = 35,930.49/x
  3. Step 3: Cross multiply
    66,145.17x = 91,281.98 × 35,930.49
  4. Step 4: Simplify right side
    66,145.17x = 3,279,806,269.57
  5. Step 5: Solve for x
    x = 3,279,806,269.57/66,145.17
  6. Step 6: Final answer
    x = 49,584.97

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1.5x scale

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.