Home / 53,869.26-80,816.01-20,588.46

Finding the Fourth Proportional to 53,869.26, 80,816.01 and 20,588.46

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Solution

The fourth proportional to 53,869.26, 80,816.01 and 20,588.46 is: 30,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.26 : 80,816.01 = 20,588.46 : x
  2. Step 2: Convert to fraction form
    53,869.26/80,816.01 = 20,588.46/x
  3. Step 3: Cross multiply
    53,869.26x = 80,816.01 × 20,588.46
  4. Step 4: Simplify right side
    53,869.26x = 1,663,877,189.24
  5. Step 5: Solve for x
    x = 1,663,877,189.24/53,869.26
  6. Step 6: Final answer
    x = 30,887.32

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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.