Home / 96,961.76-145,293.60-57,440.24

Finding the Fourth Proportional to 96,961.76, 145,293.60 and 57,440.24

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Solution

The fourth proportional to 96,961.76, 145,293.60 and 57,440.24 is: 86,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,961.76 : 145,293.60 = 57,440.24 : x
  2. Step 2: Convert to fraction form
    96,961.76/145,293.60 = 57,440.24/x
  3. Step 3: Cross multiply
    96,961.76x = 145,293.60 × 57,440.24
  4. Step 4: Simplify right side
    96,961.76x = 8,345,699,254.46
  5. Step 5: Solve for x
    x = 8,345,699,254.46/96,961.76
  6. Step 6: Final answer
    x = 86,072.07

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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.