Home / 87,612.40-131,418.60-37,716.40

Finding the Fourth Proportional to 87,612.40, 131,418.60 and 37,716.40

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Solution

The fourth proportional to 87,612.40, 131,418.60 and 37,716.40 is: 56,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,612.40 : 131,418.60 = 37,716.40 : x
  2. Step 2: Convert to fraction form
    87,612.40/131,418.60 = 37,716.40/x
  3. Step 3: Cross multiply
    87,612.40x = 131,418.60 × 37,716.40
  4. Step 4: Simplify right side
    87,612.40x = 4,956,636,485.04
  5. Step 5: Solve for x
    x = 4,956,636,485.04/87,612.40
  6. Step 6: Final answer
    x = 56,574.60

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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.