Home / 90,538.20-124,867.35-67,927.37

Finding the Fourth Proportional to 90,538.20, 124,867.35 and 67,927.37

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Solution

The fourth proportional to 90,538.20, 124,867.35 and 67,927.37 is: 93,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,538.20 : 124,867.35 = 67,927.37 : x
  2. Step 2: Convert to fraction form
    90,538.20/124,867.35 = 67,927.37/x
  3. Step 3: Cross multiply
    90,538.20x = 124,867.35 × 67,927.37
  4. Step 4: Simplify right side
    90,538.20x = 8,481,910,060.03
  5. Step 5: Solve for x
    x = 8,481,910,060.03/90,538.20
  6. Step 6: Final answer
    x = 93,683.22

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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.