Home / 55,720.80-83,580.25-22,440.03

Finding the Fourth Proportional to 55,720.80, 83,580.25 and 22,440.03

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Solution

The fourth proportional to 55,720.80, 83,580.25 and 22,440.03 is: 33,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,720.80 : 83,580.25 = 22,440.03 : x
  2. Step 2: Convert to fraction form
    55,720.80/83,580.25 = 22,440.03/x
  3. Step 3: Cross multiply
    55,720.80x = 83,580.25 × 22,440.03
  4. Step 4: Simplify right side
    55,720.80x = 1,875,543,317.41
  5. Step 5: Solve for x
    x = 1,875,543,317.41/55,720.80
  6. Step 6: Final answer
    x = 33,659.66

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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.