Home / 66,066.08-91,149.98-36,990.17

Finding the Fourth Proportional to 66,066.08, 91,149.98 and 36,990.17

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Solution

The fourth proportional to 66,066.08, 91,149.98 and 36,990.17 is: 51,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066.08 : 91,149.98 = 36,990.17 : x
  2. Step 2: Convert to fraction form
    66,066.08/91,149.98 = 36,990.17/x
  3. Step 3: Cross multiply
    66,066.08x = 91,149.98 × 36,990.17
  4. Step 4: Simplify right side
    66,066.08x = 3,371,652,615.00
  5. Step 5: Solve for x
    x = 3,371,652,615.00/66,066.08
  6. Step 6: Final answer
    x = 51,034.55

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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.