Home / 66,329.52-91,534.17-36,114.78

Finding the Fourth Proportional to 66,329.52, 91,534.17 and 36,114.78

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Solution

The fourth proportional to 66,329.52, 91,534.17 and 36,114.78 is: 49,838.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,329.52 : 91,534.17 = 36,114.78 : x
  2. Step 2: Convert to fraction form
    66,329.52/91,534.17 = 36,114.78/x
  3. Step 3: Cross multiply
    66,329.52x = 91,534.17 × 36,114.78
  4. Step 4: Simplify right side
    66,329.52x = 3,305,736,412.03
  5. Step 5: Solve for x
    x = 3,305,736,412.03/66,329.52
  6. Step 6: Final answer
    x = 49,838.09

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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.