Home / 98,208.17-147,376.82-53,866

Finding the Fourth Proportional to 98,208.17, 147,376.82 and 53,866

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Solution

The fourth proportional to 98,208.17, 147,376.82 and 53,866 is: 80,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,208.17 : 147,376.82 = 53,866 : x
  2. Step 2: Convert to fraction form
    98,208.17/147,376.82 = 53,866/x
  3. Step 3: Cross multiply
    98,208.17x = 147,376.82 × 53,866
  4. Step 4: Simplify right side
    98,208.17x = 7,938,599,786.12
  5. Step 5: Solve for x
    x = 7,938,599,786.12/98,208.17
  6. Step 6: Final answer
    x = 80,834.41

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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.