Home / 78,995.04-118,414.08-32,281.44

Finding the Fourth Proportional to 78,995.04, 118,414.08 and 32,281.44

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Solution

The fourth proportional to 78,995.04, 118,414.08 and 32,281.44 is: 48,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,995.04 : 118,414.08 = 32,281.44 : x
  2. Step 2: Convert to fraction form
    78,995.04/118,414.08 = 32,281.44/x
  3. Step 3: Cross multiply
    78,995.04x = 118,414.08 × 32,281.44
  4. Step 4: Simplify right side
    78,995.04x = 3,822,577,018.68
  5. Step 5: Solve for x
    x = 3,822,577,018.68/78,995.04
  6. Step 6: Final answer
    x = 48,390.09

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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.