Home / 76,272.40-114,408.60-23,687.20

Finding the Fourth Proportional to 76,272.40, 114,408.60 and 23,687.20

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Solution

The fourth proportional to 76,272.40, 114,408.60 and 23,687.20 is: 35,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,272.40 : 114,408.60 = 23,687.20 : x
  2. Step 2: Convert to fraction form
    76,272.40/114,408.60 = 23,687.20/x
  3. Step 3: Cross multiply
    76,272.40x = 114,408.60 × 23,687.20
  4. Step 4: Simplify right side
    76,272.40x = 2,710,019,389.92
  5. Step 5: Solve for x
    x = 2,710,019,389.92/76,272.40
  6. Step 6: Final answer
    x = 35,530.80

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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.