Home / 88,658.88-122,365.08-52,851.20

Finding the Fourth Proportional to 88,658.88, 122,365.08 and 52,851.20

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Solution

The fourth proportional to 88,658.88, 122,365.08 and 52,851.20 is: 72,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,658.88 : 122,365.08 = 52,851.20 : x
  2. Step 2: Convert to fraction form
    88,658.88/122,365.08 = 52,851.20/x
  3. Step 3: Cross multiply
    88,658.88x = 122,365.08 × 52,851.20
  4. Step 4: Simplify right side
    88,658.88x = 6,467,141,316.10
  5. Step 5: Solve for x
    x = 6,467,141,316.10/88,658.88
  6. Step 6: Final answer
    x = 72,944.09

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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.