Home / 51,918.12-77,869.74-29,659.32

Finding the Fourth Proportional to 51,918.12, 77,869.74 and 29,659.32

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Solution

The fourth proportional to 51,918.12, 77,869.74 and 29,659.32 is: 44,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.12 : 77,869.74 = 29,659.32 : x
  2. Step 2: Convert to fraction form
    51,918.12/77,869.74 = 29,659.32/x
  3. Step 3: Cross multiply
    51,918.12x = 77,869.74 × 29,659.32
  4. Step 4: Simplify right side
    51,918.12x = 2,309,563,536.98
  5. Step 5: Solve for x
    x = 2,309,563,536.98/51,918.12
  6. Step 6: Final answer
    x = 44,484.73

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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.