Home / 76,919.88-115,384.02-24,325.44

Finding the Fourth Proportional to 76,919.88, 115,384.02 and 24,325.44

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Solution

The fourth proportional to 76,919.88, 115,384.02 and 24,325.44 is: 36,489.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,919.88 : 115,384.02 = 24,325.44 : x
  2. Step 2: Convert to fraction form
    76,919.88/115,384.02 = 24,325.44/x
  3. Step 3: Cross multiply
    76,919.88x = 115,384.02 × 24,325.44
  4. Step 4: Simplify right side
    76,919.88x = 2,806,767,055.47
  5. Step 5: Solve for x
    x = 2,806,767,055.47/76,919.88
  6. Step 6: Final answer
    x = 36,489.49

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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.