Home / 55,859.08-83,791.72-18,417.64

Finding the Fourth Proportional to 55,859.08, 83,791.72 and 18,417.64

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Solution

The fourth proportional to 55,859.08, 83,791.72 and 18,417.64 is: 27,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,859.08 : 83,791.72 = 18,417.64 : x
  2. Step 2: Convert to fraction form
    55,859.08/83,791.72 = 18,417.64/x
  3. Step 3: Cross multiply
    55,859.08x = 83,791.72 × 18,417.64
  4. Step 4: Simplify right side
    55,859.08x = 1,543,245,547.48
  5. Step 5: Solve for x
    x = 1,543,245,547.48/55,859.08
  6. Step 6: Final answer
    x = 27,627.48

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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.