Home / 91,841.54-126,708.73-60,028.78

Finding the Fourth Proportional to 91,841.54, 126,708.73 and 60,028.78

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Solution

The fourth proportional to 91,841.54, 126,708.73 and 60,028.78 is: 82,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,841.54 : 126,708.73 = 60,028.78 : x
  2. Step 2: Convert to fraction form
    91,841.54/126,708.73 = 60,028.78/x
  3. Step 3: Cross multiply
    91,841.54x = 126,708.73 × 60,028.78
  4. Step 4: Simplify right side
    91,841.54x = 7,606,170,477.25
  5. Step 5: Solve for x
    x = 7,606,170,477.25/91,841.54
  6. Step 6: Final answer
    x = 82,818.41

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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.