Home / 52,831.64-79,247.32-13,388.64

Finding the Fourth Proportional to 52,831.64, 79,247.32 and 13,388.64

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Solution

The fourth proportional to 52,831.64, 79,247.32 and 13,388.64 is: 20,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,831.64 : 79,247.32 = 13,388.64 : x
  2. Step 2: Convert to fraction form
    52,831.64/79,247.32 = 13,388.64/x
  3. Step 3: Cross multiply
    52,831.64x = 79,247.32 × 13,388.64
  4. Step 4: Simplify right side
    52,831.64x = 1,061,013,838.44
  5. Step 5: Solve for x
    x = 1,061,013,838.44/52,831.64
  6. Step 6: Final answer
    x = 20,082.92

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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.