Home / 88,355.90-132,315.15-56,717.30

Finding the Fourth Proportional to 88,355.90, 132,315.15 and 56,717.30

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Solution

The fourth proportional to 88,355.90, 132,315.15 and 56,717.30 is: 84,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,355.90 : 132,315.15 = 56,717.30 : x
  2. Step 2: Convert to fraction form
    88,355.90/132,315.15 = 56,717.30/x
  3. Step 3: Cross multiply
    88,355.90x = 132,315.15 × 56,717.30
  4. Step 4: Simplify right side
    88,355.90x = 7,504,558,057.10
  5. Step 5: Solve for x
    x = 7,504,558,057.10/88,355.90
  6. Step 6: Final answer
    x = 84,935.56

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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.