Home / 103,652.08-143,047.13-58,334.43

Finding the Fourth Proportional to 103,652.08, 143,047.13 and 58,334.43

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Solution

The fourth proportional to 103,652.08, 143,047.13 and 58,334.43 is: 80,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,652.08 : 143,047.13 = 58,334.43 : x
  2. Step 2: Convert to fraction form
    103,652.08/143,047.13 = 58,334.43/x
  3. Step 3: Cross multiply
    103,652.08x = 143,047.13 × 58,334.43
  4. Step 4: Simplify right side
    103,652.08x = 8,344,572,791.69
  5. Step 5: Solve for x
    x = 8,344,572,791.69/103,652.08
  6. Step 6: Final answer
    x = 80,505.60

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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.