Home / 101,018.82-139,422.40-60,773.26

Finding the Fourth Proportional to 101,018.82, 139,422.40 and 60,773.26

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Solution

The fourth proportional to 101,018.82, 139,422.40 and 60,773.26 is: 83,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,018.82 : 139,422.40 = 60,773.26 : x
  2. Step 2: Convert to fraction form
    101,018.82/139,422.40 = 60,773.26/x
  3. Step 3: Cross multiply
    101,018.82x = 139,422.40 × 60,773.26
  4. Step 4: Simplify right side
    101,018.82x = 8,473,153,765.02
  5. Step 5: Solve for x
    x = 8,473,153,765.02/101,018.82
  6. Step 6: Final answer
    x = 83,876.98

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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.