Home / 66,281.20-91,468.46-36,066.75

Finding the Fourth Proportional to 66,281.20, 91,468.46 and 36,066.75

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Solution

The fourth proportional to 66,281.20, 91,468.46 and 36,066.75 is: 49,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,281.20 : 91,468.46 = 36,066.75 : x
  2. Step 2: Convert to fraction form
    66,281.20/91,468.46 = 36,066.75/x
  3. Step 3: Cross multiply
    66,281.20x = 91,468.46 × 36,066.75
  4. Step 4: Simplify right side
    66,281.20x = 3,298,970,079.71
  5. Step 5: Solve for x
    x = 3,298,970,079.71/66,281.20
  6. Step 6: Final answer
    x = 49,772.33

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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.