Home / 85,392.19-128,115.61-41,022.06

Finding the Fourth Proportional to 85,392.19, 128,115.61 and 41,022.06

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Solution

The fourth proportional to 85,392.19, 128,115.61 and 41,022.06 is: 61,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,392.19 : 128,115.61 = 41,022.06 : x
  2. Step 2: Convert to fraction form
    85,392.19/128,115.61 = 41,022.06/x
  3. Step 3: Cross multiply
    85,392.19x = 128,115.61 × 41,022.06
  4. Step 4: Simplify right side
    85,392.19x = 5,255,565,657.37
  5. Step 5: Solve for x
    x = 5,255,565,657.37/85,392.19
  6. Step 6: Final answer
    x = 61,546.21

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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.