Home / 87,039.23-130,565.78-37,119.77

Finding the Fourth Proportional to 87,039.23, 130,565.78 and 37,119.77

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Solution

The fourth proportional to 87,039.23, 130,565.78 and 37,119.77 is: 55,682.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,039.23 : 130,565.78 = 37,119.77 : x
  2. Step 2: Convert to fraction form
    87,039.23/130,565.78 = 37,119.77/x
  3. Step 3: Cross multiply
    87,039.23x = 130,565.78 × 37,119.77
  4. Step 4: Simplify right side
    87,039.23x = 4,846,570,885.04
  5. Step 5: Solve for x
    x = 4,846,570,885.04/87,039.23
  6. Step 6: Final answer
    x = 55,682.61

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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.