Home / 66,355.44-91,551.96-38,050.80

Finding the Fourth Proportional to 66,355.44, 91,551.96 and 38,050.80

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Solution

The fourth proportional to 66,355.44, 91,551.96 and 38,050.80 is: 52,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,355.44 : 91,551.96 = 38,050.80 : x
  2. Step 2: Convert to fraction form
    66,355.44/91,551.96 = 38,050.80/x
  3. Step 3: Cross multiply
    66,355.44x = 91,551.96 × 38,050.80
  4. Step 4: Simplify right side
    66,355.44x = 3,483,625,319.57
  5. Step 5: Solve for x
    x = 3,483,625,319.57/66,355.44
  6. Step 6: Final answer
    x = 52,499.47

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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.