Home / 81,941.02-113,058.48-50,098.30

Finding the Fourth Proportional to 81,941.02, 113,058.48 and 50,098.30

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Solution

The fourth proportional to 81,941.02, 113,058.48 and 50,098.30 is: 69,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,941.02 : 113,058.48 = 50,098.30 : x
  2. Step 2: Convert to fraction form
    81,941.02/113,058.48 = 50,098.30/x
  3. Step 3: Cross multiply
    81,941.02x = 113,058.48 × 50,098.30
  4. Step 4: Simplify right side
    81,941.02x = 5,664,037,553.81
  5. Step 5: Solve for x
    x = 5,664,037,553.81/81,941.02
  6. Step 6: Final answer
    x = 69,123.35

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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.