Home / 96,971.85-145,474.11-49,607.46

Finding the Fourth Proportional to 96,971.85, 145,474.11 and 49,607.46

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Solution

The fourth proportional to 96,971.85, 145,474.11 and 49,607.46 is: 74,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,971.85 : 145,474.11 = 49,607.46 : x
  2. Step 2: Convert to fraction form
    96,971.85/145,474.11 = 49,607.46/x
  3. Step 3: Cross multiply
    96,971.85x = 145,474.11 × 49,607.46
  4. Step 4: Simplify right side
    96,971.85x = 7,216,601,092.86
  5. Step 5: Solve for x
    x = 7,216,601,092.86/96,971.85
  6. Step 6: Final answer
    x = 74,419.55

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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.