Home / 88,330.72-132,496.40-21,772.48

Finding the Fourth Proportional to 88,330.72, 132,496.40 and 21,772.48

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Solution

The fourth proportional to 88,330.72, 132,496.40 and 21,772.48 is: 32,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,330.72 : 132,496.40 = 21,772.48 : x
  2. Step 2: Convert to fraction form
    88,330.72/132,496.40 = 21,772.48/x
  3. Step 3: Cross multiply
    88,330.72x = 132,496.40 × 21,772.48
  4. Step 4: Simplify right side
    88,330.72x = 2,884,775,219.07
  5. Step 5: Solve for x
    x = 2,884,775,219.07/88,330.72
  6. Step 6: Final answer
    x = 32,658.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.