Home / 96,881.06-133,708.40-54,439.59

Finding the Fourth Proportional to 96,881.06, 133,708.40 and 54,439.59

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Solution

The fourth proportional to 96,881.06, 133,708.40 and 54,439.59 is: 75,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,881.06 : 133,708.40 = 54,439.59 : x
  2. Step 2: Convert to fraction form
    96,881.06/133,708.40 = 54,439.59/x
  3. Step 3: Cross multiply
    96,881.06x = 133,708.40 × 54,439.59
  4. Step 4: Simplify right side
    96,881.06x = 7,279,030,755.80
  5. Step 5: Solve for x
    x = 7,279,030,755.80/96,881.06
  6. Step 6: Final answer
    x = 75,133.68

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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.