Home / 87,032.86-120,105.75-49,314.46

Finding the Fourth Proportional to 87,032.86, 120,105.75 and 49,314.46

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Solution

The fourth proportional to 87,032.86, 120,105.75 and 49,314.46 is: 68,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,032.86 : 120,105.75 = 49,314.46 : x
  2. Step 2: Convert to fraction form
    87,032.86/120,105.75 = 49,314.46/x
  3. Step 3: Cross multiply
    87,032.86x = 120,105.75 × 49,314.46
  4. Step 4: Simplify right side
    87,032.86x = 5,922,950,204.15
  5. Step 5: Solve for x
    x = 5,922,950,204.15/87,032.86
  6. Step 6: Final answer
    x = 68,054.18

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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.