Home / 76,937.20-115,416.60-24,341.20

Finding the Fourth Proportional to 76,937.20, 115,416.60 and 24,341.20

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Solution

The fourth proportional to 76,937.20, 115,416.60 and 24,341.20 is: 36,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,937.20 : 115,416.60 = 24,341.20 : x
  2. Step 2: Convert to fraction form
    76,937.20/115,416.60 = 24,341.20/x
  3. Step 3: Cross multiply
    76,937.20x = 115,416.60 × 24,341.20
  4. Step 4: Simplify right side
    76,937.20x = 2,809,378,543.92
  5. Step 5: Solve for x
    x = 2,809,378,543.92/76,937.20
  6. Step 6: Final answer
    x = 36,515.22

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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.