Home / 101,122.02-139,537.89-58,672.35

Finding the Fourth Proportional to 101,122.02, 139,537.89 and 58,672.35

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Solution

The fourth proportional to 101,122.02, 139,537.89 and 58,672.35 is: 80,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,122.02 : 139,537.89 = 58,672.35 : x
  2. Step 2: Convert to fraction form
    101,122.02/139,537.89 = 58,672.35/x
  3. Step 3: Cross multiply
    101,122.02x = 139,537.89 × 58,672.35
  4. Step 4: Simplify right side
    101,122.02x = 8,187,015,920.34
  5. Step 5: Solve for x
    x = 8,187,015,920.34/101,122.02
  6. Step 6: Final answer
    x = 80,961.75

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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.