Home / 54,299.08-81,379.02-47,249.80

Finding the Fourth Proportional to 54,299.08, 81,379.02 and 47,249.80

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Solution

The fourth proportional to 54,299.08, 81,379.02 and 47,249.80 is: 70,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,299.08 : 81,379.02 = 47,249.80 : x
  2. Step 2: Convert to fraction form
    54,299.08/81,379.02 = 47,249.80/x
  3. Step 3: Cross multiply
    54,299.08x = 81,379.02 × 47,249.80
  4. Step 4: Simplify right side
    54,299.08x = 3,845,142,419.20
  5. Step 5: Solve for x
    x = 3,845,142,419.20/54,299.08
  6. Step 6: Final answer
    x = 70,814.14

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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.