Home / 66,066.39-91,171.68-37,772.67

Finding the Fourth Proportional to 66,066.39, 91,171.68 and 37,772.67

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Solution

The fourth proportional to 66,066.39, 91,171.68 and 37,772.67 is: 52,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066.39 : 91,171.68 = 37,772.67 : x
  2. Step 2: Convert to fraction form
    66,066.39/91,171.68 = 37,772.67/x
  3. Step 3: Cross multiply
    66,066.39x = 91,171.68 × 37,772.67
  4. Step 4: Simplify right side
    66,066.39x = 3,443,797,781.99
  5. Step 5: Solve for x
    x = 3,443,797,781.99/66,066.39
  6. Step 6: Final answer
    x = 52,126.32

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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.