Home / 60,691.36-91,040.82-18,572.76

Finding the Fourth Proportional to 60,691.36, 91,040.82 and 18,572.76

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Solution

The fourth proportional to 60,691.36, 91,040.82 and 18,572.76 is: 27,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,691.36 : 91,040.82 = 18,572.76 : x
  2. Step 2: Convert to fraction form
    60,691.36/91,040.82 = 18,572.76/x
  3. Step 3: Cross multiply
    60,691.36x = 91,040.82 × 18,572.76
  4. Step 4: Simplify right side
    60,691.36x = 1,690,879,300.06
  5. Step 5: Solve for x
    x = 1,690,879,300.06/60,691.36
  6. Step 6: Final answer
    x = 27,860.30

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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.