Home / 96,981.84-133,824.06-54,539.46

Finding the Fourth Proportional to 96,981.84, 133,824.06 and 54,539.46

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Solution

The fourth proportional to 96,981.84, 133,824.06 and 54,539.46 is: 75,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,981.84 : 133,824.06 = 54,539.46 : x
  2. Step 2: Convert to fraction form
    96,981.84/133,824.06 = 54,539.46/x
  3. Step 3: Cross multiply
    96,981.84x = 133,824.06 × 54,539.46
  4. Step 4: Simplify right side
    96,981.84x = 7,298,691,967.41
  5. Step 5: Solve for x
    x = 7,298,691,967.41/96,981.84
  6. Step 6: Final answer
    x = 75,258.34

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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.