Home / 66,011.36-91,100.50-37,716.44

Finding the Fourth Proportional to 66,011.36, 91,100.50 and 37,716.44

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Solution

The fourth proportional to 66,011.36, 91,100.50 and 37,716.44 is: 52,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,011.36 : 91,100.50 = 37,716.44 : x
  2. Step 2: Convert to fraction form
    66,011.36/91,100.50 = 37,716.44/x
  3. Step 3: Cross multiply
    66,011.36x = 91,100.50 × 37,716.44
  4. Step 4: Simplify right side
    66,011.36x = 3,435,986,542.22
  5. Step 5: Solve for x
    x = 3,435,986,542.22/66,011.36
  6. Step 6: Final answer
    x = 52,051.44

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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.