Home / 87,899.84-131,628-58,228.16

Finding the Fourth Proportional to 87,899.84, 131,628 and 58,228.16

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Solution

The fourth proportional to 87,899.84, 131,628 and 58,228.16 is: 87,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,899.84 : 131,628 = 58,228.16 : x
  2. Step 2: Convert to fraction form
    87,899.84/131,628 = 58,228.16/x
  3. Step 3: Cross multiply
    87,899.84x = 131,628 × 58,228.16
  4. Step 4: Simplify right side
    87,899.84x = 7,664,456,244.48
  5. Step 5: Solve for x
    x = 7,664,456,244.48/87,899.84
  6. Step 6: Final answer
    x = 87,195.34

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1.5x scale

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.