Home / 85,091.97-127,716.77-43,001.67

Finding the Fourth Proportional to 85,091.97, 127,716.77 and 43,001.67

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Solution

The fourth proportional to 85,091.97, 127,716.77 and 43,001.67 is: 64,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,091.97 : 127,716.77 = 43,001.67 : x
  2. Step 2: Convert to fraction form
    85,091.97/127,716.77 = 43,001.67/x
  3. Step 3: Cross multiply
    85,091.97x = 127,716.77 × 43,001.67
  4. Step 4: Simplify right side
    85,091.97x = 5,492,034,397.01
  5. Step 5: Solve for x
    x = 5,492,034,397.01/85,091.97
  6. Step 6: Final answer
    x = 64,542.33

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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.