Home / 66,113.67-99,185.48-21,740.82

Finding the Fourth Proportional to 66,113.67, 99,185.48 and 21,740.82

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Solution

The fourth proportional to 66,113.67, 99,185.48 and 21,740.82 is: 32,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,113.67 : 99,185.48 = 21,740.82 : x
  2. Step 2: Convert to fraction form
    66,113.67/99,185.48 = 21,740.82/x
  3. Step 3: Cross multiply
    66,113.67x = 99,185.48 × 21,740.82
  4. Step 4: Simplify right side
    66,113.67x = 2,156,373,667.29
  5. Step 5: Solve for x
    x = 2,156,373,667.29/66,113.67
  6. Step 6: Final answer
    x = 32,616.15

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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.