Home / 57,048.14-78,726.66-31,897.64

Finding the Fourth Proportional to 57,048.14, 78,726.66 and 31,897.64

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Solution

The fourth proportional to 57,048.14, 78,726.66 and 31,897.64 is: 44,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,048.14 : 78,726.66 = 31,897.64 : x
  2. Step 2: Convert to fraction form
    57,048.14/78,726.66 = 31,897.64/x
  3. Step 3: Cross multiply
    57,048.14x = 78,726.66 × 31,897.64
  4. Step 4: Simplify right side
    57,048.14x = 2,511,194,659.08
  5. Step 5: Solve for x
    x = 2,511,194,659.08/57,048.14
  6. Step 6: Final answer
    x = 44,018.87

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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.