Home / 50,878.58-70,138.69-35,725.10

Finding the Fourth Proportional to 50,878.58, 70,138.69 and 35,725.10

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Solution

The fourth proportional to 50,878.58, 70,138.69 and 35,725.10 is: 49,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,878.58 : 70,138.69 = 35,725.10 : x
  2. Step 2: Convert to fraction form
    50,878.58/70,138.69 = 35,725.10/x
  3. Step 3: Cross multiply
    50,878.58x = 70,138.69 × 35,725.10
  4. Step 4: Simplify right side
    50,878.58x = 2,505,711,274.11
  5. Step 5: Solve for x
    x = 2,505,711,274.11/50,878.58
  6. Step 6: Final answer
    x = 49,248.85

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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.