Home / 109,411.90-164,117.85-62,626.30

Finding the Fourth Proportional to 109,411.90, 164,117.85 and 62,626.30

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Solution

The fourth proportional to 109,411.90, 164,117.85 and 62,626.30 is: 93,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,411.90 : 164,117.85 = 62,626.30 : x
  2. Step 2: Convert to fraction form
    109,411.90/164,117.85 = 62,626.30/x
  3. Step 3: Cross multiply
    109,411.90x = 164,117.85 × 62,626.30
  4. Step 4: Simplify right side
    109,411.90x = 10,278,093,709.46
  5. Step 5: Solve for x
    x = 10,278,093,709.46/109,411.90
  6. Step 6: Final answer
    x = 93,939.45

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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.