Home / 88,228.48-132,328.78-73,331.24

Finding the Fourth Proportional to 88,228.48, 132,328.78 and 73,331.24

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Solution

The fourth proportional to 88,228.48, 132,328.78 and 73,331.24 is: 109,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,228.48 : 132,328.78 = 73,331.24 : x
  2. Step 2: Convert to fraction form
    88,228.48/132,328.78 = 73,331.24/x
  3. Step 3: Cross multiply
    88,228.48x = 132,328.78 × 73,331.24
  4. Step 4: Simplify right side
    88,228.48x = 9,703,833,525.09
  5. Step 5: Solve for x
    x = 9,703,833,525.09/88,228.48
  6. Step 6: Final answer
    x = 109,985.27

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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.