Home / 103,664.88-143,060.40-58,344.48

Finding the Fourth Proportional to 103,664.88, 143,060.40 and 58,344.48

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Solution

The fourth proportional to 103,664.88, 143,060.40 and 58,344.48 is: 80,517.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.88 : 143,060.40 = 58,344.48 : x
  2. Step 2: Convert to fraction form
    103,664.88/143,060.40 = 58,344.48/x
  3. Step 3: Cross multiply
    103,664.88x = 143,060.40 × 58,344.48
  4. Step 4: Simplify right side
    103,664.88x = 8,346,784,646.59
  5. Step 5: Solve for x
    x = 8,346,784,646.59/103,664.88
  6. Step 6: Final answer
    x = 80,517.00

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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.