Home / 55,619.03-83,437.64-18,168.23

Finding the Fourth Proportional to 55,619.03, 83,437.64 and 18,168.23

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Solution

The fourth proportional to 55,619.03, 83,437.64 and 18,168.23 is: 27,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.03 : 83,437.64 = 18,168.23 : x
  2. Step 2: Convert to fraction form
    55,619.03/83,437.64 = 18,168.23/x
  3. Step 3: Cross multiply
    55,619.03x = 83,437.64 × 18,168.23
  4. Step 4: Simplify right side
    55,619.03x = 1,515,913,726.15
  5. Step 5: Solve for x
    x = 1,515,913,726.15/55,619.03
  6. Step 6: Final answer
    x = 27,255.31

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1.5x scale

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.