Home / 88,521.78-132,782.19-51,057.57

Finding the Fourth Proportional to 88,521.78, 132,782.19 and 51,057.57

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Solution

The fourth proportional to 88,521.78, 132,782.19 and 51,057.57 is: 76,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,521.78 : 132,782.19 = 51,057.57 : x
  2. Step 2: Convert to fraction form
    88,521.78/132,782.19 = 51,057.57/x
  3. Step 3: Cross multiply
    88,521.78x = 132,782.19 × 51,057.57
  4. Step 4: Simplify right side
    88,521.78x = 6,779,535,960.68
  5. Step 5: Solve for x
    x = 6,779,535,960.68/88,521.78
  6. Step 6: Final answer
    x = 76,586.08

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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.