Home / 83,700.96-125,558.26-39,303.48

Finding the Fourth Proportional to 83,700.96, 125,558.26 and 39,303.48

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Solution

The fourth proportional to 83,700.96, 125,558.26 and 39,303.48 is: 58,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,700.96 : 125,558.26 = 39,303.48 : x
  2. Step 2: Convert to fraction form
    83,700.96/125,558.26 = 39,303.48/x
  3. Step 3: Cross multiply
    83,700.96x = 125,558.26 × 39,303.48
  4. Step 4: Simplify right side
    83,700.96x = 4,934,876,560.74
  5. Step 5: Solve for x
    x = 4,934,876,560.74/83,700.96
  6. Step 6: Final answer
    x = 58,958.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.