Home / 104,322.36-143,983.26-61,904.28

Finding the Fourth Proportional to 104,322.36, 143,983.26 and 61,904.28

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Solution

The fourth proportional to 104,322.36, 143,983.26 and 61,904.28 is: 85,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,322.36 : 143,983.26 = 61,904.28 : x
  2. Step 2: Convert to fraction form
    104,322.36/143,983.26 = 61,904.28/x
  3. Step 3: Cross multiply
    104,322.36x = 143,983.26 × 61,904.28
  4. Step 4: Simplify right side
    104,322.36x = 8,913,180,042.35
  5. Step 5: Solve for x
    x = 8,913,180,042.35/104,322.36
  6. Step 6: Final answer
    x = 85,438.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.