Home / 88,602.12-122,272.94-50,355.61

Finding the Fourth Proportional to 88,602.12, 122,272.94 and 50,355.61

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Solution

The fourth proportional to 88,602.12, 122,272.94 and 50,355.61 is: 69,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,602.12 : 122,272.94 = 50,355.61 : x
  2. Step 2: Convert to fraction form
    88,602.12/122,272.94 = 50,355.61/x
  3. Step 3: Cross multiply
    88,602.12x = 122,272.94 × 50,355.61
  4. Step 4: Simplify right side
    88,602.12x = 6,157,128,300.40
  5. Step 5: Solve for x
    x = 6,157,128,300.40/88,602.12
  6. Step 6: Final answer
    x = 69,491.88

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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.