Home / 76,749.60-115,124.40-24,175.20

Finding the Fourth Proportional to 76,749.60, 115,124.40 and 24,175.20

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Solution

The fourth proportional to 76,749.60, 115,124.40 and 24,175.20 is: 36,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,749.60 : 115,124.40 = 24,175.20 : x
  2. Step 2: Convert to fraction form
    76,749.60/115,124.40 = 24,175.20/x
  3. Step 3: Cross multiply
    76,749.60x = 115,124.40 × 24,175.20
  4. Step 4: Simplify right side
    76,749.60x = 2,783,155,394.88
  5. Step 5: Solve for x
    x = 2,783,155,394.88/76,749.60
  6. Step 6: Final answer
    x = 36,262.80

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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.