Home / 66,535.45-91,815.04-36,314.75

Finding the Fourth Proportional to 66,535.45, 91,815.04 and 36,314.75

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Solution

The fourth proportional to 66,535.45, 91,815.04 and 36,314.75 is: 50,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535.45 : 91,815.04 = 36,314.75 : x
  2. Step 2: Convert to fraction form
    66,535.45/91,815.04 = 36,314.75/x
  3. Step 3: Cross multiply
    66,535.45x = 91,815.04 × 36,314.75
  4. Step 4: Simplify right side
    66,535.45x = 3,334,240,223.84
  5. Step 5: Solve for x
    x = 3,334,240,223.84/66,535.45
  6. Step 6: Final answer
    x = 50,112.24

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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.