Home / 87,267.36-120,440.08-51,460.71

Finding the Fourth Proportional to 87,267.36, 120,440.08 and 51,460.71

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Solution

The fourth proportional to 87,267.36, 120,440.08 and 51,460.71 is: 71,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,267.36 : 120,440.08 = 51,460.71 : x
  2. Step 2: Convert to fraction form
    87,267.36/120,440.08 = 51,460.71/x
  3. Step 3: Cross multiply
    87,267.36x = 120,440.08 × 51,460.71
  4. Step 4: Simplify right side
    87,267.36x = 6,197,932,029.26
  5. Step 5: Solve for x
    x = 6,197,932,029.26/87,267.36
  6. Step 6: Final answer
    x = 71,022.34

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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.