Home / 98,943.72-148,417.20-28,826.88

Finding the Fourth Proportional to 98,943.72, 148,417.20 and 28,826.88

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Solution

The fourth proportional to 98,943.72, 148,417.20 and 28,826.88 is: 43,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,943.72 : 148,417.20 = 28,826.88 : x
  2. Step 2: Convert to fraction form
    98,943.72/148,417.20 = 28,826.88/x
  3. Step 3: Cross multiply
    98,943.72x = 148,417.20 × 28,826.88
  4. Step 4: Simplify right side
    98,943.72x = 4,278,404,814.34
  5. Step 5: Solve for x
    x = 4,278,404,814.34/98,943.72
  6. Step 6: Final answer
    x = 43,240.79

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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.