Home / 90,932.13-125,538.39-60,768.54

Finding the Fourth Proportional to 90,932.13, 125,538.39 and 60,768.54

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Solution

The fourth proportional to 90,932.13, 125,538.39 and 60,768.54 is: 83,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,932.13 : 125,538.39 = 60,768.54 : x
  2. Step 2: Convert to fraction form
    90,932.13/125,538.39 = 60,768.54/x
  3. Step 3: Cross multiply
    90,932.13x = 125,538.39 × 60,768.54
  4. Step 4: Simplify right side
    90,932.13x = 7,628,784,674.25
  5. Step 5: Solve for x
    x = 7,628,784,674.25/90,932.13
  6. Step 6: Final answer
    x = 83,895.37

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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.