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Finding the Fourth Proportional to 66,883.16, 100,335.13 and 22,506.46

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Solution

The fourth proportional to 66,883.16, 100,335.13 and 22,506.46 is: 33,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,883.16 : 100,335.13 = 22,506.46 : x
  2. Step 2: Convert to fraction form
    66,883.16/100,335.13 = 22,506.46/x
  3. Step 3: Cross multiply
    66,883.16x = 100,335.13 × 22,506.46
  4. Step 4: Simplify right side
    66,883.16x = 2,258,188,282.84
  5. Step 5: Solve for x
    x = 2,258,188,282.84/66,883.16
  6. Step 6: Final answer
    x = 33,763.18

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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.