Home / 69,906.24-96,386.76-57,112.02

Finding the Fourth Proportional to 69,906.24, 96,386.76 and 57,112.02

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Solution

The fourth proportional to 69,906.24, 96,386.76 and 57,112.02 is: 78,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,906.24 : 96,386.76 = 57,112.02 : x
  2. Step 2: Convert to fraction form
    69,906.24/96,386.76 = 57,112.02/x
  3. Step 3: Cross multiply
    69,906.24x = 96,386.76 × 57,112.02
  4. Step 4: Simplify right side
    69,906.24x = 5,504,842,564.86
  5. Step 5: Solve for x
    x = 5,504,842,564.86/69,906.24
  6. Step 6: Final answer
    x = 78,746.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.