Home / 96,679.89-133,442.77-66,065.38

Finding the Fourth Proportional to 96,679.89, 133,442.77 and 66,065.38

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Solution

The fourth proportional to 96,679.89, 133,442.77 and 66,065.38 is: 91,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,679.89 : 133,442.77 = 66,065.38 : x
  2. Step 2: Convert to fraction form
    96,679.89/133,442.77 = 66,065.38/x
  3. Step 3: Cross multiply
    96,679.89x = 133,442.77 × 66,065.38
  4. Step 4: Simplify right side
    96,679.89x = 8,815,947,232.59
  5. Step 5: Solve for x
    x = 8,815,947,232.59/96,679.89
  6. Step 6: Final answer
    x = 91,186.98

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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.