Home / 96,972.48-133,657.56-73,994.40

Finding the Fourth Proportional to 96,972.48, 133,657.56 and 73,994.40

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Solution

The fourth proportional to 96,972.48, 133,657.56 and 73,994.40 is: 101,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,972.48 : 133,657.56 = 73,994.40 : x
  2. Step 2: Convert to fraction form
    96,972.48/133,657.56 = 73,994.40/x
  3. Step 3: Cross multiply
    96,972.48x = 133,657.56 × 73,994.40
  4. Step 4: Simplify right side
    96,972.48x = 9,889,910,957.66
  5. Step 5: Solve for x
    x = 9,889,910,957.66/96,972.48
  6. Step 6: Final answer
    x = 101,986.78

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1.5x scale

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.