Home / 85,422.44-128,161.06-41,052.40

Finding the Fourth Proportional to 85,422.44, 128,161.06 and 41,052.40

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Solution

The fourth proportional to 85,422.44, 128,161.06 and 41,052.40 is: 61,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,422.44 : 128,161.06 = 41,052.40 : x
  2. Step 2: Convert to fraction form
    85,422.44/128,161.06 = 41,052.40/x
  3. Step 3: Cross multiply
    85,422.44x = 128,161.06 × 41,052.40
  4. Step 4: Simplify right side
    85,422.44x = 5,261,319,099.54
  5. Step 5: Solve for x
    x = 5,261,319,099.54/85,422.44
  6. Step 6: Final answer
    x = 61,591.77

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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.