Home / 66,297.16-91,474.12-39,074.33

Finding the Fourth Proportional to 66,297.16, 91,474.12 and 39,074.33

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Solution

The fourth proportional to 66,297.16, 91,474.12 and 39,074.33 is: 53,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,297.16 : 91,474.12 = 39,074.33 : x
  2. Step 2: Convert to fraction form
    66,297.16/91,474.12 = 39,074.33/x
  3. Step 3: Cross multiply
    66,297.16x = 91,474.12 × 39,074.33
  4. Step 4: Simplify right side
    66,297.16x = 3,574,289,755.97
  5. Step 5: Solve for x
    x = 3,574,289,755.97/66,297.16
  6. Step 6: Final answer
    x = 53,913.17

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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.