Home / 100,982.08-151,456.71-47,673.95

Finding the Fourth Proportional to 100,982.08, 151,456.71 and 47,673.95

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Solution

The fourth proportional to 100,982.08, 151,456.71 and 47,673.95 is: 71,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,982.08 : 151,456.71 = 47,673.95 : x
  2. Step 2: Convert to fraction form
    100,982.08/151,456.71 = 47,673.95/x
  3. Step 3: Cross multiply
    100,982.08x = 151,456.71 × 47,673.95
  4. Step 4: Simplify right side
    100,982.08x = 7,220,539,381.33
  5. Step 5: Solve for x
    x = 7,220,539,381.33/100,982.08
  6. Step 6: Final answer
    x = 71,503.18

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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.