Home / 98,973.20-148,586.52-85,022.48

Finding the Fourth Proportional to 98,973.20, 148,586.52 and 85,022.48

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Solution

The fourth proportional to 98,973.20, 148,586.52 and 85,022.48 is: 127,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,973.20 : 148,586.52 = 85,022.48 : x
  2. Step 2: Convert to fraction form
    98,973.20/148,586.52 = 85,022.48/x
  3. Step 3: Cross multiply
    98,973.20x = 148,586.52 × 85,022.48
  4. Step 4: Simplify right side
    98,973.20x = 12,633,194,424.97
  5. Step 5: Solve for x
    x = 12,633,194,424.97/98,973.20
  6. Step 6: Final answer
    x = 127,642.58

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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.