Home / 88,658.64-122,359.68-64,773.36

Finding the Fourth Proportional to 88,658.64, 122,359.68 and 64,773.36

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Solution

The fourth proportional to 88,658.64, 122,359.68 and 64,773.36 is: 89,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,658.64 : 122,359.68 = 64,773.36 : x
  2. Step 2: Convert to fraction form
    88,658.64/122,359.68 = 64,773.36/x
  3. Step 3: Cross multiply
    88,658.64x = 122,359.68 × 64,773.36
  4. Step 4: Simplify right side
    88,658.64x = 7,925,647,602.12
  5. Step 5: Solve for x
    x = 7,925,647,602.12/88,658.64
  6. Step 6: Final answer
    x = 89,395.10

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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.