Home / 55,701.86-83,509.71-18,238.55

Finding the Fourth Proportional to 55,701.86, 83,509.71 and 18,238.55

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Solution

The fourth proportional to 55,701.86, 83,509.71 and 18,238.55 is: 27,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.86 : 83,509.71 = 18,238.55 : x
  2. Step 2: Convert to fraction form
    55,701.86/83,509.71 = 18,238.55/x
  3. Step 3: Cross multiply
    55,701.86x = 83,509.71 × 18,238.55
  4. Step 4: Simplify right side
    55,701.86x = 1,523,095,535.38
  5. Step 5: Solve for x
    x = 1,523,095,535.38/55,701.86
  6. Step 6: Final answer
    x = 27,343.71

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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.