Home / 72,800.27-109,226.67-25,422.34

Finding the Fourth Proportional to 72,800.27, 109,226.67 and 25,422.34

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Solution

The fourth proportional to 72,800.27, 109,226.67 and 25,422.34 is: 38,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,800.27 : 109,226.67 = 25,422.34 : x
  2. Step 2: Convert to fraction form
    72,800.27/109,226.67 = 25,422.34/x
  3. Step 3: Cross multiply
    72,800.27x = 109,226.67 × 25,422.34
  4. Step 4: Simplify right side
    72,800.27x = 2,776,797,541.81
  5. Step 5: Solve for x
    x = 2,776,797,541.81/72,800.27
  6. Step 6: Final answer
    x = 38,142.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.