Home / 66,569.50-91,865.43-36,354.83

Finding the Fourth Proportional to 66,569.50, 91,865.43 and 36,354.83

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Solution

The fourth proportional to 66,569.50, 91,865.43 and 36,354.83 is: 50,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,569.50 : 91,865.43 = 36,354.83 : x
  2. Step 2: Convert to fraction form
    66,569.50/91,865.43 = 36,354.83/x
  3. Step 3: Cross multiply
    66,569.50x = 91,865.43 × 36,354.83
  4. Step 4: Simplify right side
    66,569.50x = 3,339,751,631.20
  5. Step 5: Solve for x
    x = 3,339,751,631.20/66,569.50
  6. Step 6: Final answer
    x = 50,169.40

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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.