Home / 98,255.52-147,361.68-39,080.16

Finding the Fourth Proportional to 98,255.52, 147,361.68 and 39,080.16

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Solution

The fourth proportional to 98,255.52, 147,361.68 and 39,080.16 is: 58,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,255.52 : 147,361.68 = 39,080.16 : x
  2. Step 2: Convert to fraction form
    98,255.52/147,361.68 = 39,080.16/x
  3. Step 3: Cross multiply
    98,255.52x = 147,361.68 × 39,080.16
  4. Step 4: Simplify right side
    98,255.52x = 5,758,918,032.27
  5. Step 5: Solve for x
    x = 5,758,918,032.27/98,255.52
  6. Step 6: Final answer
    x = 58,611.65

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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.