Home / 70,987.46-97,911.26-48,286.15

Finding the Fourth Proportional to 70,987.46, 97,911.26 and 48,286.15

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Solution

The fourth proportional to 70,987.46, 97,911.26 and 48,286.15 is: 66,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,987.46 : 97,911.26 = 48,286.15 : x
  2. Step 2: Convert to fraction form
    70,987.46/97,911.26 = 48,286.15/x
  3. Step 3: Cross multiply
    70,987.46x = 97,911.26 × 48,286.15
  4. Step 4: Simplify right side
    70,987.46x = 4,727,757,787.05
  5. Step 5: Solve for x
    x = 4,727,757,787.05/70,987.46
  6. Step 6: Final answer
    x = 66,599.90

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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.