Home / 98,721.64-148,037.94-48,782.26

Finding the Fourth Proportional to 98,721.64, 148,037.94 and 48,782.26

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Solution

The fourth proportional to 98,721.64, 148,037.94 and 48,782.26 is: 73,151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,721.64 : 148,037.94 = 48,782.26 : x
  2. Step 2: Convert to fraction form
    98,721.64/148,037.94 = 48,782.26/x
  3. Step 3: Cross multiply
    98,721.64x = 148,037.94 × 48,782.26
  4. Step 4: Simplify right side
    98,721.64x = 7,221,625,278.94
  5. Step 5: Solve for x
    x = 7,221,625,278.94/98,721.64
  6. Step 6: Final answer
    x = 73,151.39

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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.