Home / 76,811.58-115,217.37-24,225.15

Finding the Fourth Proportional to 76,811.58, 115,217.37 and 24,225.15

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Solution

The fourth proportional to 76,811.58, 115,217.37 and 24,225.15 is: 36,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,811.58 : 115,217.37 = 24,225.15 : x
  2. Step 2: Convert to fraction form
    76,811.58/115,217.37 = 24,225.15/x
  3. Step 3: Cross multiply
    76,811.58x = 115,217.37 × 24,225.15
  4. Step 4: Simplify right side
    76,811.58x = 2,791,158,070.86
  5. Step 5: Solve for x
    x = 2,791,158,070.86/76,811.58
  6. Step 6: Final answer
    x = 36,337.73

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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.