Home / 87,435.36-131,153.04-34,856.64

Finding the Fourth Proportional to 87,435.36, 131,153.04 and 34,856.64

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Solution

The fourth proportional to 87,435.36, 131,153.04 and 34,856.64 is: 52,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,435.36 : 131,153.04 = 34,856.64 : x
  2. Step 2: Convert to fraction form
    87,435.36/131,153.04 = 34,856.64/x
  3. Step 3: Cross multiply
    87,435.36x = 131,153.04 × 34,856.64
  4. Step 4: Simplify right side
    87,435.36x = 4,571,554,300.19
  5. Step 5: Solve for x
    x = 4,571,554,300.19/87,435.36
  6. Step 6: Final answer
    x = 52,284.96

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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.