Home / 51,174.32-76,844.84-31,577.45

Finding the Fourth Proportional to 51,174.32, 76,844.84 and 31,577.45

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Solution

The fourth proportional to 51,174.32, 76,844.84 and 31,577.45 is: 47,417.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.32 : 76,844.84 = 31,577.45 : x
  2. Step 2: Convert to fraction form
    51,174.32/76,844.84 = 31,577.45/x
  3. Step 3: Cross multiply
    51,174.32x = 76,844.84 × 31,577.45
  4. Step 4: Simplify right side
    51,174.32x = 2,426,563,550.75
  5. Step 5: Solve for x
    x = 2,426,563,550.75/51,174.32
  6. Step 6: Final answer
    x = 47,417.61

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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.