Home / 66,560.64-91,849.92-39,733.44

Finding the Fourth Proportional to 66,560.64, 91,849.92 and 39,733.44

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Solution

The fourth proportional to 66,560.64, 91,849.92 and 39,733.44 is: 54,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,560.64 : 91,849.92 = 39,733.44 : x
  2. Step 2: Convert to fraction form
    66,560.64/91,849.92 = 39,733.44/x
  3. Step 3: Cross multiply
    66,560.64x = 91,849.92 × 39,733.44
  4. Step 4: Simplify right side
    66,560.64x = 3,649,513,285.32
  5. Step 5: Solve for x
    x = 3,649,513,285.32/66,560.64
  6. Step 6: Final answer
    x = 54,829.90

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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.