Home / 47,929.80-66,143.19-26,708.60

Finding the Fourth Proportional to 47,929.80, 66,143.19 and 26,708.60

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Solution

The fourth proportional to 47,929.80, 66,143.19 and 26,708.60 is: 36,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,929.80 : 66,143.19 = 26,708.60 : x
  2. Step 2: Convert to fraction form
    47,929.80/66,143.19 = 26,708.60/x
  3. Step 3: Cross multiply
    47,929.80x = 66,143.19 × 26,708.60
  4. Step 4: Simplify right side
    47,929.80x = 1,766,592,004.43
  5. Step 5: Solve for x
    x = 1,766,592,004.43/47,929.80
  6. Step 6: Final answer
    x = 36,857.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.