Home / 96,931.68-133,766.28-54,489.84

Finding the Fourth Proportional to 96,931.68, 133,766.28 and 54,489.84

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Solution

The fourth proportional to 96,931.68, 133,766.28 and 54,489.84 is: 75,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,931.68 : 133,766.28 = 54,489.84 : x
  2. Step 2: Convert to fraction form
    96,931.68/133,766.28 = 54,489.84/x
  3. Step 3: Cross multiply
    96,931.68x = 133,766.28 × 54,489.84
  4. Step 4: Simplify right side
    96,931.68x = 7,288,903,194.60
  5. Step 5: Solve for x
    x = 7,288,903,194.60/96,931.68
  6. Step 6: Final answer
    x = 75,196.29

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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.