Home / 89,747.61-123,852.54-49,462.80

Finding the Fourth Proportional to 89,747.61, 123,852.54 and 49,462.80

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Solution

The fourth proportional to 89,747.61, 123,852.54 and 49,462.80 is: 68,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,747.61 : 123,852.54 = 49,462.80 : x
  2. Step 2: Convert to fraction form
    89,747.61/123,852.54 = 49,462.80/x
  3. Step 3: Cross multiply
    89,747.61x = 123,852.54 × 49,462.80
  4. Step 4: Simplify right side
    89,747.61x = 6,126,093,415.51
  5. Step 5: Solve for x
    x = 6,126,093,415.51/89,747.61
  6. Step 6: Final answer
    x = 68,259.13

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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.