Home / 85,080.36-127,610.79-22,755.72

Finding the Fourth Proportional to 85,080.36, 127,610.79 and 22,755.72

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Solution

The fourth proportional to 85,080.36, 127,610.79 and 22,755.72 is: 34,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,080.36 : 127,610.79 = 22,755.72 : x
  2. Step 2: Convert to fraction form
    85,080.36/127,610.79 = 22,755.72/x
  3. Step 3: Cross multiply
    85,080.36x = 127,610.79 × 22,755.72
  4. Step 4: Simplify right side
    85,080.36x = 2,903,875,406.22
  5. Step 5: Solve for x
    x = 2,903,875,406.22/85,080.36
  6. Step 6: Final answer
    x = 34,130.97

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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.