Home / 103,872.47-143,341.98-58,549.59

Finding the Fourth Proportional to 103,872.47, 143,341.98 and 58,549.59

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Solution

The fourth proportional to 103,872.47, 143,341.98 and 58,549.59 is: 80,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,872.47 : 143,341.98 = 58,549.59 : x
  2. Step 2: Convert to fraction form
    103,872.47/143,341.98 = 58,549.59/x
  3. Step 3: Cross multiply
    103,872.47x = 143,341.98 × 58,549.59
  4. Step 4: Simplify right side
    103,872.47x = 8,392,614,158.79
  5. Step 5: Solve for x
    x = 8,392,614,158.79/103,872.47
  6. Step 6: Final answer
    x = 80,797.29

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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.