Home / 98,985.21-148,366.26-49,101.06

Finding the Fourth Proportional to 98,985.21, 148,366.26 and 49,101.06

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Solution

The fourth proportional to 98,985.21, 148,366.26 and 49,101.06 is: 73,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,985.21 : 148,366.26 = 49,101.06 : x
  2. Step 2: Convert to fraction form
    98,985.21/148,366.26 = 49,101.06/x
  3. Step 3: Cross multiply
    98,985.21x = 148,366.26 × 49,101.06
  4. Step 4: Simplify right side
    98,985.21x = 7,284,940,634.24
  5. Step 5: Solve for x
    x = 7,284,940,634.24/98,985.21
  6. Step 6: Final answer
    x = 73,596.25

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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.