Home / 55,167.76-76,131.66-30,017.26

Finding the Fourth Proportional to 55,167.76, 76,131.66 and 30,017.26

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Solution

The fourth proportional to 55,167.76, 76,131.66 and 30,017.26 is: 41,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,167.76 : 76,131.66 = 30,017.26 : x
  2. Step 2: Convert to fraction form
    55,167.76/76,131.66 = 30,017.26/x
  3. Step 3: Cross multiply
    55,167.76x = 76,131.66 × 30,017.26
  4. Step 4: Simplify right side
    55,167.76x = 2,285,263,832.45
  5. Step 5: Solve for x
    x = 2,285,263,832.45/55,167.76
  6. Step 6: Final answer
    x = 41,423.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.