Home / 56,111.13-84,173.99-20,572.38

Finding the Fourth Proportional to 56,111.13, 84,173.99 and 20,572.38

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Solution

The fourth proportional to 56,111.13, 84,173.99 and 20,572.38 is: 30,861.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,111.13 : 84,173.99 = 20,572.38 : x
  2. Step 2: Convert to fraction form
    56,111.13/84,173.99 = 20,572.38/x
  3. Step 3: Cross multiply
    56,111.13x = 84,173.99 × 20,572.38
  4. Step 4: Simplify right side
    56,111.13x = 1,731,659,205.53
  5. Step 5: Solve for x
    x = 1,731,659,205.53/56,111.13
  6. Step 6: Final answer
    x = 30,861.24

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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.