Home / 66,317.85-91,516.91-36,103.77

Finding the Fourth Proportional to 66,317.85, 91,516.91 and 36,103.77

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Solution

The fourth proportional to 66,317.85, 91,516.91 and 36,103.77 is: 49,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,317.85 : 91,516.91 = 36,103.77 : x
  2. Step 2: Convert to fraction form
    66,317.85/91,516.91 = 36,103.77/x
  3. Step 3: Cross multiply
    66,317.85x = 91,516.91 × 36,103.77
  4. Step 4: Simplify right side
    66,317.85x = 3,304,105,289.23
  5. Step 5: Solve for x
    x = 3,304,105,289.23/66,317.85
  6. Step 6: Final answer
    x = 49,822.26

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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.