Home / 109,863.19-164,807.98-38,771.16

Finding the Fourth Proportional to 109,863.19, 164,807.98 and 38,771.16

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Solution

The fourth proportional to 109,863.19, 164,807.98 and 38,771.16 is: 58,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,863.19 : 164,807.98 = 38,771.16 : x
  2. Step 2: Convert to fraction form
    109,863.19/164,807.98 = 38,771.16/x
  3. Step 3: Cross multiply
    109,863.19x = 164,807.98 × 38,771.16
  4. Step 4: Simplify right side
    109,863.19x = 6,389,796,561.86
  5. Step 5: Solve for x
    x = 6,389,796,561.86/109,863.19
  6. Step 6: Final answer
    x = 58,161.40

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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.