Home / 89,933.24-124,108.88-49,647.03

Finding the Fourth Proportional to 89,933.24, 124,108.88 and 49,647.03

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Solution

The fourth proportional to 89,933.24, 124,108.88 and 49,647.03 is: 68,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,933.24 : 124,108.88 = 49,647.03 : x
  2. Step 2: Convert to fraction form
    89,933.24/124,108.88 = 49,647.03/x
  3. Step 3: Cross multiply
    89,933.24x = 124,108.88 × 49,647.03
  4. Step 4: Simplify right side
    89,933.24x = 6,161,636,854.25
  5. Step 5: Solve for x
    x = 6,161,636,854.25/89,933.24
  6. Step 6: Final answer
    x = 68,513.45

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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.