Home / 88,733.40-133,126.78-53,233.80

Finding the Fourth Proportional to 88,733.40, 133,126.78 and 53,233.80

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Solution

The fourth proportional to 88,733.40, 133,126.78 and 53,233.80 is: 79,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,733.40 : 133,126.78 = 53,233.80 : x
  2. Step 2: Convert to fraction form
    88,733.40/133,126.78 = 53,233.80/x
  3. Step 3: Cross multiply
    88,733.40x = 133,126.78 × 53,233.80
  4. Step 4: Simplify right side
    88,733.40x = 7,086,844,381.16
  5. Step 5: Solve for x
    x = 7,086,844,381.16/88,733.40
  6. Step 6: Final answer
    x = 79,866.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.