Home / 87,010.77-120,070.83-49,285.29

Finding the Fourth Proportional to 87,010.77, 120,070.83 and 49,285.29

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Solution

The fourth proportional to 87,010.77, 120,070.83 and 49,285.29 is: 68,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,010.77 : 120,070.83 = 49,285.29 : x
  2. Step 2: Convert to fraction form
    87,010.77/120,070.83 = 49,285.29/x
  3. Step 3: Cross multiply
    87,010.77x = 120,070.83 × 49,285.29
  4. Step 4: Simplify right side
    87,010.77x = 5,917,725,677.09
  5. Step 5: Solve for x
    x = 5,917,725,677.09/87,010.77
  6. Step 6: Final answer
    x = 68,011.42

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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.