Home / 98,845.20-148,271.52-28,725.12

Finding the Fourth Proportional to 98,845.20, 148,271.52 and 28,725.12

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Solution

The fourth proportional to 98,845.20, 148,271.52 and 28,725.12 is: 43,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,845.20 : 148,271.52 = 28,725.12 : x
  2. Step 2: Convert to fraction form
    98,845.20/148,271.52 = 28,725.12/x
  3. Step 3: Cross multiply
    98,845.20x = 148,271.52 × 28,725.12
  4. Step 4: Simplify right side
    98,845.20x = 4,259,117,204.58
  5. Step 5: Solve for x
    x = 4,259,117,204.58/98,845.20
  6. Step 6: Final answer
    x = 43,088.76

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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.