Home / 98,945.97-148,420.58-28,829.13

Finding the Fourth Proportional to 98,945.97, 148,420.58 and 28,829.13

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Solution

The fourth proportional to 98,945.97, 148,420.58 and 28,829.13 is: 43,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,945.97 : 148,420.58 = 28,829.13 : x
  2. Step 2: Convert to fraction form
    98,945.97/148,420.58 = 28,829.13/x
  3. Step 3: Cross multiply
    98,945.97x = 148,420.58 × 28,829.13
  4. Step 4: Simplify right side
    98,945.97x = 4,278,836,051.35
  5. Step 5: Solve for x
    x = 4,278,836,051.35/98,945.97
  6. Step 6: Final answer
    x = 43,244.17

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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.