Home / 104,057.43-143,594.28-61,031.04

Finding the Fourth Proportional to 104,057.43, 143,594.28 and 61,031.04

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Solution

The fourth proportional to 104,057.43, 143,594.28 and 61,031.04 is: 84,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,057.43 : 143,594.28 = 61,031.04 : x
  2. Step 2: Convert to fraction form
    104,057.43/143,594.28 = 61,031.04/x
  3. Step 3: Cross multiply
    104,057.43x = 143,594.28 × 61,031.04
  4. Step 4: Simplify right side
    104,057.43x = 8,763,708,246.45
  5. Step 5: Solve for x
    x = 8,763,708,246.45/104,057.43
  6. Step 6: Final answer
    x = 84,219.92

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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.