Home / 99,270.33-136,999.98-56,249.43

Finding the Fourth Proportional to 99,270.33, 136,999.98 and 56,249.43

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Solution

The fourth proportional to 99,270.33, 136,999.98 and 56,249.43 is: 77,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,270.33 : 136,999.98 = 56,249.43 : x
  2. Step 2: Convert to fraction form
    99,270.33/136,999.98 = 56,249.43/x
  3. Step 3: Cross multiply
    99,270.33x = 136,999.98 × 56,249.43
  4. Step 4: Simplify right side
    99,270.33x = 7,706,170,785.01
  5. Step 5: Solve for x
    x = 7,706,170,785.01/99,270.33
  6. Step 6: Final answer
    x = 77,628.14

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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.