Home / 66,389.66-99,613.94-34,792.21

Finding the Fourth Proportional to 66,389.66, 99,613.94 and 34,792.21

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Solution

The fourth proportional to 66,389.66, 99,613.94 and 34,792.21 is: 52,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,389.66 : 99,613.94 = 34,792.21 : x
  2. Step 2: Convert to fraction form
    66,389.66/99,613.94 = 34,792.21/x
  3. Step 3: Cross multiply
    66,389.66x = 99,613.94 × 34,792.21
  4. Step 4: Simplify right side
    66,389.66x = 3,465,789,210.05
  5. Step 5: Solve for x
    x = 3,465,789,210.05/66,389.66
  6. Step 6: Final answer
    x = 52,203.75

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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.