Home / 96,990.61-133,865.43-60,708.89

Finding the Fourth Proportional to 96,990.61, 133,865.43 and 60,708.89

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Solution

The fourth proportional to 96,990.61, 133,865.43 and 60,708.89 is: 83,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,990.61 : 133,865.43 = 60,708.89 : x
  2. Step 2: Convert to fraction form
    96,990.61/133,865.43 = 60,708.89/x
  3. Step 3: Cross multiply
    96,990.61x = 133,865.43 × 60,708.89
  4. Step 4: Simplify right side
    96,990.61x = 8,126,821,664.67
  5. Step 5: Solve for x
    x = 8,126,821,664.67/96,990.61
  6. Step 6: Final answer
    x = 83,789.78

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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.