Home / 66,315.32-91,486.08-43,625.12

Finding the Fourth Proportional to 66,315.32, 91,486.08 and 43,625.12

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Solution

The fourth proportional to 66,315.32, 91,486.08 and 43,625.12 is: 60,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,315.32 : 91,486.08 = 43,625.12 : x
  2. Step 2: Convert to fraction form
    66,315.32/91,486.08 = 43,625.12/x
  3. Step 3: Cross multiply
    66,315.32x = 91,486.08 × 43,625.12
  4. Step 4: Simplify right side
    66,315.32x = 3,991,091,218.33
  5. Step 5: Solve for x
    x = 3,991,091,218.33/66,315.32
  6. Step 6: Final answer
    x = 60,183.55

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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.