Home / 115,666.64-173,393.40-40,745.96

Finding the Fourth Proportional to 115,666.64, 173,393.40 and 40,745.96

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Solution

The fourth proportional to 115,666.64, 173,393.40 and 40,745.96 is: 61,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,666.64 : 173,393.40 = 40,745.96 : x
  2. Step 2: Convert to fraction form
    115,666.64/173,393.40 = 40,745.96/x
  3. Step 3: Cross multiply
    115,666.64x = 173,393.40 × 40,745.96
  4. Step 4: Simplify right side
    115,666.64x = 7,065,080,540.66
  5. Step 5: Solve for x
    x = 7,065,080,540.66/115,666.64
  6. Step 6: Final answer
    x = 61,081.40

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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.