Home / 87,634.71-120,994.29-51,836.22

Finding the Fourth Proportional to 87,634.71, 120,994.29 and 51,836.22

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Solution

The fourth proportional to 87,634.71, 120,994.29 and 51,836.22 is: 71,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,634.71 : 120,994.29 = 51,836.22 : x
  2. Step 2: Convert to fraction form
    87,634.71/120,994.29 = 51,836.22/x
  3. Step 3: Cross multiply
    87,634.71x = 120,994.29 × 51,836.22
  4. Step 4: Simplify right side
    87,634.71x = 6,271,886,635.18
  5. Step 5: Solve for x
    x = 6,271,886,635.18/87,634.71
  6. Step 6: Final answer
    x = 71,568.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.