Home / 98,687.12-148,055.35-28,566.44

Finding the Fourth Proportional to 98,687.12, 148,055.35 and 28,566.44

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Solution

The fourth proportional to 98,687.12, 148,055.35 and 28,566.44 is: 42,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,687.12 : 148,055.35 = 28,566.44 : x
  2. Step 2: Convert to fraction form
    98,687.12/148,055.35 = 28,566.44/x
  3. Step 3: Cross multiply
    98,687.12x = 148,055.35 × 28,566.44
  4. Step 4: Simplify right side
    98,687.12x = 4,229,413,460.76
  5. Step 5: Solve for x
    x = 4,229,413,460.76/98,687.12
  6. Step 6: Final answer
    x = 42,856.79

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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.