Home / 88,509.78-122,087.68-52,673.04

Finding the Fourth Proportional to 88,509.78, 122,087.68 and 52,673.04

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Solution

The fourth proportional to 88,509.78, 122,087.68 and 52,673.04 is: 72,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,509.78 : 122,087.68 = 52,673.04 : x
  2. Step 2: Convert to fraction form
    88,509.78/122,087.68 = 52,673.04/x
  3. Step 3: Cross multiply
    88,509.78x = 122,087.68 × 52,673.04
  4. Step 4: Simplify right side
    88,509.78x = 6,430,729,252.15
  5. Step 5: Solve for x
    x = 6,430,729,252.15/88,509.78
  6. Step 6: Final answer
    x = 72,655.58

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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.