Home / 98,360.08-147,531.21-39,179.86

Finding the Fourth Proportional to 98,360.08, 147,531.21 and 39,179.86

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Solution

The fourth proportional to 98,360.08, 147,531.21 and 39,179.86 is: 58,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,360.08 : 147,531.21 = 39,179.86 : x
  2. Step 2: Convert to fraction form
    98,360.08/147,531.21 = 39,179.86/x
  3. Step 3: Cross multiply
    98,360.08x = 147,531.21 × 39,179.86
  4. Step 4: Simplify right side
    98,360.08x = 5,780,252,153.43
  5. Step 5: Solve for x
    x = 5,780,252,153.43/98,360.08
  6. Step 6: Final answer
    x = 58,766.24

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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.