Home / 87,995.60-121,440.93-49,763.19

Finding the Fourth Proportional to 87,995.60, 121,440.93 and 49,763.19

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Solution

The fourth proportional to 87,995.60, 121,440.93 and 49,763.19 is: 68,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,995.60 : 121,440.93 = 49,763.19 : x
  2. Step 2: Convert to fraction form
    87,995.60/121,440.93 = 49,763.19/x
  3. Step 3: Cross multiply
    87,995.60x = 121,440.93 × 49,763.19
  4. Step 4: Simplify right side
    87,995.60x = 6,043,288,073.37
  5. Step 5: Solve for x
    x = 6,043,288,073.37/87,995.60
  6. Step 6: Final answer
    x = 68,677.16

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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.