Home / 87,444.39-120,693.43-51,162.72

Finding the Fourth Proportional to 87,444.39, 120,693.43 and 51,162.72

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Solution

The fourth proportional to 87,444.39, 120,693.43 and 51,162.72 is: 70,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,444.39 : 120,693.43 = 51,162.72 : x
  2. Step 2: Convert to fraction form
    87,444.39/120,693.43 = 51,162.72/x
  3. Step 3: Cross multiply
    87,444.39x = 120,693.43 × 51,162.72
  4. Step 4: Simplify right side
    87,444.39x = 6,175,004,164.93
  5. Step 5: Solve for x
    x = 6,175,004,164.93/87,444.39
  6. Step 6: Final answer
    x = 70,616.36

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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.