Home / 103,966.13-143,467.29-58,641.41

Finding the Fourth Proportional to 103,966.13, 143,467.29 and 58,641.41

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Solution

The fourth proportional to 103,966.13, 143,467.29 and 58,641.41 is: 80,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,966.13 : 143,467.29 = 58,641.41 : x
  2. Step 2: Convert to fraction form
    103,966.13/143,467.29 = 58,641.41/x
  3. Step 3: Cross multiply
    103,966.13x = 143,467.29 × 58,641.41
  4. Step 4: Simplify right side
    103,966.13x = 8,413,124,533.15
  5. Step 5: Solve for x
    x = 8,413,124,533.15/103,966.13
  6. Step 6: Final answer
    x = 80,921.78

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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.