Home / 109,416.90-164,125.35-62,631.30

Finding the Fourth Proportional to 109,416.90, 164,125.35 and 62,631.30

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Solution

The fourth proportional to 109,416.90, 164,125.35 and 62,631.30 is: 93,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,416.90 : 164,125.35 = 62,631.30 : x
  2. Step 2: Convert to fraction form
    109,416.90/164,125.35 = 62,631.30/x
  3. Step 3: Cross multiply
    109,416.90x = 164,125.35 × 62,631.30
  4. Step 4: Simplify right side
    109,416.90x = 10,279,384,033.46
  5. Step 5: Solve for x
    x = 10,279,384,033.46/109,416.90
  6. Step 6: Final answer
    x = 93,946.95

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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.