Home / 66,176.62-91,314.03-39,320.26

Finding the Fourth Proportional to 66,176.62, 91,314.03 and 39,320.26

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Solution

The fourth proportional to 66,176.62, 91,314.03 and 39,320.26 is: 54,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,176.62 : 91,314.03 = 39,320.26 : x
  2. Step 2: Convert to fraction form
    66,176.62/91,314.03 = 39,320.26/x
  3. Step 3: Cross multiply
    66,176.62x = 91,314.03 × 39,320.26
  4. Step 4: Simplify right side
    66,176.62x = 3,590,491,401.25
  5. Step 5: Solve for x
    x = 3,590,491,401.25/66,176.62
  6. Step 6: Final answer
    x = 54,256.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.