Home / 75,175.19-112,764.83-21,865.01

Finding the Fourth Proportional to 75,175.19, 112,764.83 and 21,865.01

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Solution

The fourth proportional to 75,175.19, 112,764.83 and 21,865.01 is: 32,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,175.19 : 112,764.83 = 21,865.01 : x
  2. Step 2: Convert to fraction form
    75,175.19/112,764.83 = 21,865.01/x
  3. Step 3: Cross multiply
    75,175.19x = 112,764.83 × 21,865.01
  4. Step 4: Simplify right side
    75,175.19x = 2,465,603,462.45
  5. Step 5: Solve for x
    x = 2,465,603,462.45/75,175.19
  6. Step 6: Final answer
    x = 32,798.10

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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.