Home / 97,722.10-146,583.15-83,725.30

Finding the Fourth Proportional to 97,722.10, 146,583.15 and 83,725.30

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Solution

The fourth proportional to 97,722.10, 146,583.15 and 83,725.30 is: 125,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,722.10 : 146,583.15 = 83,725.30 : x
  2. Step 2: Convert to fraction form
    97,722.10/146,583.15 = 83,725.30/x
  3. Step 3: Cross multiply
    97,722.10x = 146,583.15 × 83,725.30
  4. Step 4: Simplify right side
    97,722.10x = 12,272,718,208.70
  5. Step 5: Solve for x
    x = 12,272,718,208.70/97,722.10
  6. Step 6: Final answer
    x = 125,587.95

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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.