Home / 66,329.54-91,534.16-36,114.78

Finding the Fourth Proportional to 66,329.54, 91,534.16 and 36,114.78

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Solution

The fourth proportional to 66,329.54, 91,534.16 and 36,114.78 is: 49,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,329.54 : 91,534.16 = 36,114.78 : x
  2. Step 2: Convert to fraction form
    66,329.54/91,534.16 = 36,114.78/x
  3. Step 3: Cross multiply
    66,329.54x = 91,534.16 × 36,114.78
  4. Step 4: Simplify right side
    66,329.54x = 3,305,735,870.31
  5. Step 5: Solve for x
    x = 3,305,735,870.31/66,329.54
  6. Step 6: Final answer
    x = 49,838.07

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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.