Home / 99,863.19-137,747.93-75,937.41

Finding the Fourth Proportional to 99,863.19, 137,747.93 and 75,937.41

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Solution

The fourth proportional to 99,863.19, 137,747.93 and 75,937.41 is: 104,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,863.19 : 137,747.93 = 75,937.41 : x
  2. Step 2: Convert to fraction form
    99,863.19/137,747.93 = 75,937.41/x
  3. Step 3: Cross multiply
    99,863.19x = 137,747.93 × 75,937.41
  4. Step 4: Simplify right side
    99,863.19x = 10,460,220,657.37
  5. Step 5: Solve for x
    x = 10,460,220,657.37/99,863.19
  6. Step 6: Final answer
    x = 104,745.51

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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.