Home / 76,802.81-115,204.21-24,216.39

Finding the Fourth Proportional to 76,802.81, 115,204.21 and 24,216.39

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Solution

The fourth proportional to 76,802.81, 115,204.21 and 24,216.39 is: 36,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,802.81 : 115,204.21 = 24,216.39 : x
  2. Step 2: Convert to fraction form
    76,802.81/115,204.21 = 24,216.39/x
  3. Step 3: Cross multiply
    76,802.81x = 115,204.21 × 24,216.39
  4. Step 4: Simplify right side
    76,802.81x = 2,789,830,018.46
  5. Step 5: Solve for x
    x = 2,789,830,018.46/76,802.81
  6. Step 6: Final answer
    x = 36,324.59

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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.