Home / 87,620.13-131,435.66-59,528.12

Finding the Fourth Proportional to 87,620.13, 131,435.66 and 59,528.12

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Solution

The fourth proportional to 87,620.13, 131,435.66 and 59,528.12 is: 89,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,620.13 : 131,435.66 = 59,528.12 : x
  2. Step 2: Convert to fraction form
    87,620.13/131,435.66 = 59,528.12/x
  3. Step 3: Cross multiply
    87,620.13x = 131,435.66 × 59,528.12
  4. Step 4: Simplify right side
    87,620.13x = 7,824,117,232.40
  5. Step 5: Solve for x
    x = 7,824,117,232.40/87,620.13
  6. Step 6: Final answer
    x = 89,295.89

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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.