Home / 66,138.04-99,182.30-26,673.64

Finding the Fourth Proportional to 66,138.04, 99,182.30 and 26,673.64

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Solution

The fourth proportional to 66,138.04, 99,182.30 and 26,673.64 is: 40,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,138.04 : 99,182.30 = 26,673.64 : x
  2. Step 2: Convert to fraction form
    66,138.04/99,182.30 = 26,673.64/x
  3. Step 3: Cross multiply
    66,138.04x = 99,182.30 × 26,673.64
  4. Step 4: Simplify right side
    66,138.04x = 2,645,552,964.57
  5. Step 5: Solve for x
    x = 2,645,552,964.57/66,138.04
  6. Step 6: Final answer
    x = 40,000.47

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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.