Home / 98,759.42-148,157.56-39,599.72

Finding the Fourth Proportional to 98,759.42, 148,157.56 and 39,599.72

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Solution

The fourth proportional to 98,759.42, 148,157.56 and 39,599.72 is: 59,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,759.42 : 148,157.56 = 39,599.72 : x
  2. Step 2: Convert to fraction form
    98,759.42/148,157.56 = 39,599.72/x
  3. Step 3: Cross multiply
    98,759.42x = 148,157.56 × 39,599.72
  4. Step 4: Simplify right side
    98,759.42x = 5,866,997,891.88
  5. Step 5: Solve for x
    x = 5,866,997,891.88/98,759.42
  6. Step 6: Final answer
    x = 59,406.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.