Home / 87,994.52-121,433.34-47,708.36

Finding the Fourth Proportional to 87,994.52, 121,433.34 and 47,708.36

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Solution

The fourth proportional to 87,994.52, 121,433.34 and 47,708.36 is: 65,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,994.52 : 121,433.34 = 47,708.36 : x
  2. Step 2: Convert to fraction form
    87,994.52/121,433.34 = 47,708.36/x
  3. Step 3: Cross multiply
    87,994.52x = 121,433.34 × 47,708.36
  4. Step 4: Simplify right side
    87,994.52x = 5,793,385,500.72
  5. Step 5: Solve for x
    x = 5,793,385,500.72/87,994.52
  6. Step 6: Final answer
    x = 65,838.03

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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.