Home / 103,669.72-143,071.44-58,352.04

Finding the Fourth Proportional to 103,669.72, 143,071.44 and 58,352.04

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Solution

The fourth proportional to 103,669.72, 143,071.44 and 58,352.04 is: 80,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.72 : 143,071.44 = 58,352.04 : x
  2. Step 2: Convert to fraction form
    103,669.72/143,071.44 = 58,352.04/x
  3. Step 3: Cross multiply
    103,669.72x = 143,071.44 × 58,352.04
  4. Step 4: Simplify right side
    103,669.72x = 8,348,510,389.74
  5. Step 5: Solve for x
    x = 8,348,510,389.74/103,669.72
  6. Step 6: Final answer
    x = 80,529.88

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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.