Home / 115,739.32-173,622.87-40,844

Finding the Fourth Proportional to 115,739.32, 173,622.87 and 40,844

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Solution

The fourth proportional to 115,739.32, 173,622.87 and 40,844 is: 61,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,739.32 : 173,622.87 = 40,844 : x
  2. Step 2: Convert to fraction form
    115,739.32/173,622.87 = 40,844/x
  3. Step 3: Cross multiply
    115,739.32x = 173,622.87 × 40,844
  4. Step 4: Simplify right side
    115,739.32x = 7,091,452,502.28
  5. Step 5: Solve for x
    x = 7,091,452,502.28/115,739.32
  6. Step 6: Final answer
    x = 61,270.90

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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.