Home / 72,724.72-109,088.43-22,803.70

Finding the Fourth Proportional to 72,724.72, 109,088.43 and 22,803.70

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Solution

The fourth proportional to 72,724.72, 109,088.43 and 22,803.70 is: 34,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,724.72 : 109,088.43 = 22,803.70 : x
  2. Step 2: Convert to fraction form
    72,724.72/109,088.43 = 22,803.70/x
  3. Step 3: Cross multiply
    72,724.72x = 109,088.43 × 22,803.70
  4. Step 4: Simplify right side
    72,724.72x = 2,487,619,831.19
  5. Step 5: Solve for x
    x = 2,487,619,831.19/72,724.72
  6. Step 6: Final answer
    x = 34,205.97

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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.