Home / 87,475.96-131,212.86-28,310.32

Finding the Fourth Proportional to 87,475.96, 131,212.86 and 28,310.32

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Solution

The fourth proportional to 87,475.96, 131,212.86 and 28,310.32 is: 42,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,475.96 : 131,212.86 = 28,310.32 : x
  2. Step 2: Convert to fraction form
    87,475.96/131,212.86 = 28,310.32/x
  3. Step 3: Cross multiply
    87,475.96x = 131,212.86 × 28,310.32
  4. Step 4: Simplify right side
    87,475.96x = 3,714,678,054.72
  5. Step 5: Solve for x
    x = 3,714,678,054.72/87,475.96
  6. Step 6: Final answer
    x = 42,465.13

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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.