Home / 88,894.05-122,672.64-53,131.74

Finding the Fourth Proportional to 88,894.05, 122,672.64 and 53,131.74

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Solution

The fourth proportional to 88,894.05, 122,672.64 and 53,131.74 is: 73,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,894.05 : 122,672.64 = 53,131.74 : x
  2. Step 2: Convert to fraction form
    88,894.05/122,672.64 = 53,131.74/x
  3. Step 3: Cross multiply
    88,894.05x = 122,672.64 × 53,131.74
  4. Step 4: Simplify right side
    88,894.05x = 6,517,810,813.59
  5. Step 5: Solve for x
    x = 6,517,810,813.59/88,894.05
  6. Step 6: Final answer
    x = 73,321.11

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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.