Home / 55,559.74-76,671.85-30,065.54

Finding the Fourth Proportional to 55,559.74, 76,671.85 and 30,065.54

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Solution

The fourth proportional to 55,559.74, 76,671.85 and 30,065.54 is: 41,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,559.74 : 76,671.85 = 30,065.54 : x
  2. Step 2: Convert to fraction form
    55,559.74/76,671.85 = 30,065.54/x
  3. Step 3: Cross multiply
    55,559.74x = 76,671.85 × 30,065.54
  4. Step 4: Simplify right side
    55,559.74x = 2,305,180,422.72
  5. Step 5: Solve for x
    x = 2,305,180,422.72/55,559.74
  6. Step 6: Final answer
    x = 41,490.13

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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.