Home / 109,863.06-164,816.85-39,737.28

Finding the Fourth Proportional to 109,863.06, 164,816.85 and 39,737.28

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Solution

The fourth proportional to 109,863.06, 164,816.85 and 39,737.28 is: 59,613.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,863.06 : 164,816.85 = 39,737.28 : x
  2. Step 2: Convert to fraction form
    109,863.06/164,816.85 = 39,737.28/x
  3. Step 3: Cross multiply
    109,863.06x = 164,816.85 × 39,737.28
  4. Step 4: Simplify right side
    109,863.06x = 6,549,373,317.17
  5. Step 5: Solve for x
    x = 6,549,373,317.17/109,863.06
  6. Step 6: Final answer
    x = 59,613.97

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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.