Home / 78,929.15-118,392.83-22,767.41

Finding the Fourth Proportional to 78,929.15, 118,392.83 and 22,767.41

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Solution

The fourth proportional to 78,929.15, 118,392.83 and 22,767.41 is: 34,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,929.15 : 118,392.83 = 22,767.41 : x
  2. Step 2: Convert to fraction form
    78,929.15/118,392.83 = 22,767.41/x
  3. Step 3: Cross multiply
    78,929.15x = 118,392.83 × 22,767.41
  4. Step 4: Simplify right side
    78,929.15x = 2,695,497,639.20
  5. Step 5: Solve for x
    x = 2,695,497,639.20/78,929.15
  6. Step 6: Final answer
    x = 34,150.85

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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.