Home / 55,781.85-83,589.72-30,829.08

Finding the Fourth Proportional to 55,781.85, 83,589.72 and 30,829.08

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Solution

The fourth proportional to 55,781.85, 83,589.72 and 30,829.08 is: 46,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,781.85 : 83,589.72 = 30,829.08 : x
  2. Step 2: Convert to fraction form
    55,781.85/83,589.72 = 30,829.08/x
  3. Step 3: Cross multiply
    55,781.85x = 83,589.72 × 30,829.08
  4. Step 4: Simplify right side
    55,781.85x = 2,576,994,165.06
  5. Step 5: Solve for x
    x = 2,576,994,165.06/55,781.85
  6. Step 6: Final answer
    x = 46,197.72

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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.