Home / 96,035.06-143,359.48-91,721.54

Finding the Fourth Proportional to 96,035.06, 143,359.48 and 91,721.54

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Solution

The fourth proportional to 96,035.06, 143,359.48 and 91,721.54 is: 136,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,035.06 : 143,359.48 = 91,721.54 : x
  2. Step 2: Convert to fraction form
    96,035.06/143,359.48 = 91,721.54/x
  3. Step 3: Cross multiply
    96,035.06x = 143,359.48 × 91,721.54
  4. Step 4: Simplify right side
    96,035.06x = 13,149,152,279.20
  5. Step 5: Solve for x
    x = 13,149,152,279.20/96,035.06
  6. Step 6: Final answer
    x = 136,920.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.