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Finding the Fourth Proportional to 85,079.86, 127,610.06 and 22,755.22

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Solution

The fourth proportional to 85,079.86, 127,610.06 and 22,755.22 is: 34,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,079.86 : 127,610.06 = 22,755.22 : x
  2. Step 2: Convert to fraction form
    85,079.86/127,610.06 = 22,755.22/x
  3. Step 3: Cross multiply
    85,079.86x = 127,610.06 × 22,755.22
  4. Step 4: Simplify right side
    85,079.86x = 2,903,794,989.51
  5. Step 5: Solve for x
    x = 2,903,794,989.51/85,079.86
  6. Step 6: Final answer
    x = 34,130.23

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1.5x scale

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.