Home / 66,503.42-99,770.16-22,131.92

Finding the Fourth Proportional to 66,503.42, 99,770.16 and 22,131.92

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Solution

The fourth proportional to 66,503.42, 99,770.16 and 22,131.92 is: 33,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,503.42 : 99,770.16 = 22,131.92 : x
  2. Step 2: Convert to fraction form
    66,503.42/99,770.16 = 22,131.92/x
  3. Step 3: Cross multiply
    66,503.42x = 99,770.16 × 22,131.92
  4. Step 4: Simplify right side
    66,503.42x = 2,208,105,199.51
  5. Step 5: Solve for x
    x = 2,208,105,199.51/66,503.42
  6. Step 6: Final answer
    x = 33,202.88

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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.