Home / 91,058.10-125,644.14-50,768.70

Finding the Fourth Proportional to 91,058.10, 125,644.14 and 50,768.70

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Solution

The fourth proportional to 91,058.10, 125,644.14 and 50,768.70 is: 70,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,058.10 : 125,644.14 = 50,768.70 : x
  2. Step 2: Convert to fraction form
    91,058.10/125,644.14 = 50,768.70/x
  3. Step 3: Cross multiply
    91,058.10x = 125,644.14 × 50,768.70
  4. Step 4: Simplify right side
    91,058.10x = 6,378,789,650.42
  5. Step 5: Solve for x
    x = 6,378,789,650.42/91,058.10
  6. Step 6: Final answer
    x = 70,051.86

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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.