Home / 109,161.12-163,794.48-53,049.12

Finding the Fourth Proportional to 109,161.12, 163,794.48 and 53,049.12

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Solution

The fourth proportional to 109,161.12, 163,794.48 and 53,049.12 is: 79,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,161.12 : 163,794.48 = 53,049.12 : x
  2. Step 2: Convert to fraction form
    109,161.12/163,794.48 = 53,049.12/x
  3. Step 3: Cross multiply
    109,161.12x = 163,794.48 × 53,049.12
  4. Step 4: Simplify right side
    109,161.12x = 8,689,153,024.86
  5. Step 5: Solve for x
    x = 8,689,153,024.86/109,161.12
  6. Step 6: Final answer
    x = 79,599.34

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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.