Home / 55,685.80-83,542.38-16,243.30

Finding the Fourth Proportional to 55,685.80, 83,542.38 and 16,243.30

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Solution

The fourth proportional to 55,685.80, 83,542.38 and 16,243.30 is: 24,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,685.80 : 83,542.38 = 16,243.30 : x
  2. Step 2: Convert to fraction form
    55,685.80/83,542.38 = 16,243.30/x
  3. Step 3: Cross multiply
    55,685.80x = 83,542.38 × 16,243.30
  4. Step 4: Simplify right side
    55,685.80x = 1,357,003,941.05
  5. Step 5: Solve for x
    x = 1,357,003,941.05/55,685.80
  6. Step 6: Final answer
    x = 24,368.94

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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.