Home / 76,272.60-114,441.30-36,809.40

Finding the Fourth Proportional to 76,272.60, 114,441.30 and 36,809.40

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Solution

The fourth proportional to 76,272.60, 114,441.30 and 36,809.40 is: 55,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,272.60 : 114,441.30 = 36,809.40 : x
  2. Step 2: Convert to fraction form
    76,272.60/114,441.30 = 36,809.40/x
  3. Step 3: Cross multiply
    76,272.60x = 114,441.30 × 36,809.40
  4. Step 4: Simplify right side
    76,272.60x = 4,212,515,588.22
  5. Step 5: Solve for x
    x = 4,212,515,588.22/76,272.60
  6. Step 6: Final answer
    x = 55,229.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.