Home / 66,299.55-91,494.12-36,085.06

Finding the Fourth Proportional to 66,299.55, 91,494.12 and 36,085.06

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Solution

The fourth proportional to 66,299.55, 91,494.12 and 36,085.06 is: 49,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,299.55 : 91,494.12 = 36,085.06 : x
  2. Step 2: Convert to fraction form
    66,299.55/91,494.12 = 36,085.06/x
  3. Step 3: Cross multiply
    66,299.55x = 91,494.12 × 36,085.06
  4. Step 4: Simplify right side
    66,299.55x = 3,301,570,809.85
  5. Step 5: Solve for x
    x = 3,301,570,809.85/66,299.55
  6. Step 6: Final answer
    x = 49,797.79

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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.