Home / 78,924.41-118,385.73-22,762.69

Finding the Fourth Proportional to 78,924.41, 118,385.73 and 22,762.69

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Solution

The fourth proportional to 78,924.41, 118,385.73 and 22,762.69 is: 34,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,924.41 : 118,385.73 = 22,762.69 : x
  2. Step 2: Convert to fraction form
    78,924.41/118,385.73 = 22,762.69/x
  3. Step 3: Cross multiply
    78,924.41x = 118,385.73 × 22,762.69
  4. Step 4: Simplify right side
    78,924.41x = 2,694,777,376.45
  5. Step 5: Solve for x
    x = 2,694,777,376.45/78,924.41
  6. Step 6: Final answer
    x = 34,143.78

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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.