Home / 66,204.05-99,348.60-36,643.10

Finding the Fourth Proportional to 66,204.05, 99,348.60 and 36,643.10

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Solution

The fourth proportional to 66,204.05, 99,348.60 and 36,643.10 is: 54,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,204.05 : 99,348.60 = 36,643.10 : x
  2. Step 2: Convert to fraction form
    66,204.05/99,348.60 = 36,643.10/x
  3. Step 3: Cross multiply
    66,204.05x = 99,348.60 × 36,643.10
  4. Step 4: Simplify right side
    66,204.05x = 3,640,440,684.66
  5. Step 5: Solve for x
    x = 3,640,440,684.66/66,204.05
  6. Step 6: Final answer
    x = 54,988.19

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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.