Home / 109,962.45-164,957.25-38,870.43

Finding the Fourth Proportional to 109,962.45, 164,957.25 and 38,870.43

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Solution

The fourth proportional to 109,962.45, 164,957.25 and 38,870.43 is: 58,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,962.45 : 164,957.25 = 38,870.43 : x
  2. Step 2: Convert to fraction form
    109,962.45/164,957.25 = 38,870.43/x
  3. Step 3: Cross multiply
    109,962.45x = 164,957.25 × 38,870.43
  4. Step 4: Simplify right side
    109,962.45x = 6,411,958,766.29
  5. Step 5: Solve for x
    x = 6,411,958,766.29/109,962.45
  6. Step 6: Final answer
    x = 58,310.44

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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.