Home / 100,824.02-151,258.98-30,708.80

Finding the Fourth Proportional to 100,824.02, 151,258.98 and 30,708.80

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Solution

The fourth proportional to 100,824.02, 151,258.98 and 30,708.80 is: 46,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,824.02 : 151,258.98 = 30,708.80 : x
  2. Step 2: Convert to fraction form
    100,824.02/151,258.98 = 30,708.80/x
  3. Step 3: Cross multiply
    100,824.02x = 151,258.98 × 30,708.80
  4. Step 4: Simplify right side
    100,824.02x = 4,644,981,765.02
  5. Step 5: Solve for x
    x = 4,644,981,765.02/100,824.02
  6. Step 6: Final answer
    x = 46,070.19

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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.