Home / 55,548.90-83,336.55-18,109.22

Finding the Fourth Proportional to 55,548.90, 83,336.55 and 18,109.22

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Solution

The fourth proportional to 55,548.90, 83,336.55 and 18,109.22 is: 27,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,548.90 : 83,336.55 = 18,109.22 : x
  2. Step 2: Convert to fraction form
    55,548.90/83,336.55 = 18,109.22/x
  3. Step 3: Cross multiply
    55,548.90x = 83,336.55 × 18,109.22
  4. Step 4: Simplify right side
    55,548.90x = 1,509,159,917.99
  5. Step 5: Solve for x
    x = 1,509,159,917.99/55,548.90
  6. Step 6: Final answer
    x = 27,168.13

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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.