Home / 87,525.59-120,785.81-49,799.84

Finding the Fourth Proportional to 87,525.59, 120,785.81 and 49,799.84

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Solution

The fourth proportional to 87,525.59, 120,785.81 and 49,799.84 is: 68,724.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,525.59 : 120,785.81 = 49,799.84 : x
  2. Step 2: Convert to fraction form
    87,525.59/120,785.81 = 49,799.84/x
  3. Step 3: Cross multiply
    87,525.59x = 120,785.81 × 49,799.84
  4. Step 4: Simplify right side
    87,525.59x = 6,015,113,159.34
  5. Step 5: Solve for x
    x = 6,015,113,159.34/87,525.59
  6. Step 6: Final answer
    x = 68,724.06

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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.