Home / 66,066.68-91,171.32-36,995.10

Finding the Fourth Proportional to 66,066.68, 91,171.32 and 36,995.10

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Solution

The fourth proportional to 66,066.68, 91,171.32 and 36,995.10 is: 51,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066.68 : 91,171.32 = 36,995.10 : x
  2. Step 2: Convert to fraction form
    66,066.68/91,171.32 = 36,995.10/x
  3. Step 3: Cross multiply
    66,066.68x = 91,171.32 × 36,995.10
  4. Step 4: Simplify right side
    66,066.68x = 3,372,892,100.53
  5. Step 5: Solve for x
    x = 3,372,892,100.53/66,066.68
  6. Step 6: Final answer
    x = 51,052.85

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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.