Home / 109,336.38-164,102.99-56,782.77

Finding the Fourth Proportional to 109,336.38, 164,102.99 and 56,782.77

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Solution

The fourth proportional to 109,336.38, 164,102.99 and 56,782.77 is: 85,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,336.38 : 164,102.99 = 56,782.77 : x
  2. Step 2: Convert to fraction form
    109,336.38/164,102.99 = 56,782.77/x
  3. Step 3: Cross multiply
    109,336.38x = 164,102.99 × 56,782.77
  4. Step 4: Simplify right side
    109,336.38x = 9,318,222,053.57
  5. Step 5: Solve for x
    x = 9,318,222,053.57/109,336.38
  6. Step 6: Final answer
    x = 85,225.27

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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.