Home / 103,656.60-143,044.38-58,334.58

Finding the Fourth Proportional to 103,656.60, 143,044.38 and 58,334.58

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Solution

The fourth proportional to 103,656.60, 143,044.38 and 58,334.58 is: 80,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,656.60 : 143,044.38 = 58,334.58 : x
  2. Step 2: Convert to fraction form
    103,656.60/143,044.38 = 58,334.58/x
  3. Step 3: Cross multiply
    103,656.60x = 143,044.38 × 58,334.58
  4. Step 4: Simplify right side
    103,656.60x = 8,344,433,828.66
  5. Step 5: Solve for x
    x = 8,344,433,828.66/103,656.60
  6. Step 6: Final answer
    x = 80,500.75

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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.