Home / 87,498.24-120,746.52-49,772.40

Finding the Fourth Proportional to 87,498.24, 120,746.52 and 49,772.40

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Solution

The fourth proportional to 87,498.24, 120,746.52 and 49,772.40 is: 68,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,498.24 : 120,746.52 = 49,772.40 : x
  2. Step 2: Convert to fraction form
    87,498.24/120,746.52 = 49,772.40/x
  3. Step 3: Cross multiply
    87,498.24x = 120,746.52 × 49,772.40
  4. Step 4: Simplify right side
    87,498.24x = 6,009,844,092.05
  5. Step 5: Solve for x
    x = 6,009,844,092.05/87,498.24
  6. Step 6: Final answer
    x = 68,685.31

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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.