Home / 96,844.56-145,539-57,407.28

Finding the Fourth Proportional to 96,844.56, 145,539 and 57,407.28

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Solution

The fourth proportional to 96,844.56, 145,539 and 57,407.28 is: 86,272.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,844.56 : 145,539 = 57,407.28 : x
  2. Step 2: Convert to fraction form
    96,844.56/145,539 = 57,407.28/x
  3. Step 3: Cross multiply
    96,844.56x = 145,539 × 57,407.28
  4. Step 4: Simplify right side
    96,844.56x = 8,354,998,123.92
  5. Step 5: Solve for x
    x = 8,354,998,123.92/96,844.56
  6. Step 6: Final answer
    x = 86,272.25

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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.