Home / 91,589.58-126,328.05-84,060.18

Finding the Fourth Proportional to 91,589.58, 126,328.05 and 84,060.18

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Solution

The fourth proportional to 91,589.58, 126,328.05 and 84,060.18 is: 115,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,589.58 : 126,328.05 = 84,060.18 : x
  2. Step 2: Convert to fraction form
    91,589.58/126,328.05 = 84,060.18/x
  3. Step 3: Cross multiply
    91,589.58x = 126,328.05 × 84,060.18
  4. Step 4: Simplify right side
    91,589.58x = 10,619,158,622.05
  5. Step 5: Solve for x
    x = 10,619,158,622.05/91,589.58
  6. Step 6: Final answer
    x = 115,942.87

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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.