Home / 89,933.40-124,109.10-49,646.43

Finding the Fourth Proportional to 89,933.40, 124,109.10 and 49,646.43

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Solution

The fourth proportional to 89,933.40, 124,109.10 and 49,646.43 is: 68,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,933.40 : 124,109.10 = 49,646.43 : x
  2. Step 2: Convert to fraction form
    89,933.40/124,109.10 = 49,646.43/x
  3. Step 3: Cross multiply
    89,933.40x = 124,109.10 × 49,646.43
  4. Step 4: Simplify right side
    89,933.40x = 6,161,573,745.51
  5. Step 5: Solve for x
    x = 6,161,573,745.51/89,933.40
  6. Step 6: Final answer
    x = 68,512.63

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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.