Home / 87,994.88-121,433.52-47,708.84

Finding the Fourth Proportional to 87,994.88, 121,433.52 and 47,708.84

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Solution

The fourth proportional to 87,994.88, 121,433.52 and 47,708.84 is: 65,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,994.88 : 121,433.52 = 47,708.84 : x
  2. Step 2: Convert to fraction form
    87,994.88/121,433.52 = 47,708.84/x
  3. Step 3: Cross multiply
    87,994.88x = 121,433.52 × 47,708.84
  4. Step 4: Simplify right side
    87,994.88x = 5,793,452,376.32
  5. Step 5: Solve for x
    x = 5,793,452,376.32/87,994.88
  6. Step 6: Final answer
    x = 65,838.52

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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.