Home / 66,516.46-99,771.04-40,214.14

Finding the Fourth Proportional to 66,516.46, 99,771.04 and 40,214.14

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Solution

The fourth proportional to 66,516.46, 99,771.04 and 40,214.14 is: 60,319.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516.46 : 99,771.04 = 40,214.14 : x
  2. Step 2: Convert to fraction form
    66,516.46/99,771.04 = 40,214.14/x
  3. Step 3: Cross multiply
    66,516.46x = 99,771.04 × 40,214.14
  4. Step 4: Simplify right side
    66,516.46x = 4,012,205,971.12
  5. Step 5: Solve for x
    x = 4,012,205,971.12/66,516.46
  6. Step 6: Final answer
    x = 60,319.00

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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.