Home / 104,030.78-143,562.43-58,718.27

Finding the Fourth Proportional to 104,030.78, 143,562.43 and 58,718.27

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Solution

The fourth proportional to 104,030.78, 143,562.43 and 58,718.27 is: 81,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,030.78 : 143,562.43 = 58,718.27 : x
  2. Step 2: Convert to fraction form
    104,030.78/143,562.43 = 58,718.27/x
  3. Step 3: Cross multiply
    104,030.78x = 143,562.43 × 58,718.27
  4. Step 4: Simplify right side
    104,030.78x = 8,429,737,738.71
  5. Step 5: Solve for x
    x = 8,429,737,738.71/104,030.78
  6. Step 6: Final answer
    x = 81,031.19

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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.