Home / 103,474.86-142,765.88-58,148.07

Finding the Fourth Proportional to 103,474.86, 142,765.88 and 58,148.07

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Solution

The fourth proportional to 103,474.86, 142,765.88 and 58,148.07 is: 80,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,474.86 : 142,765.88 = 58,148.07 : x
  2. Step 2: Convert to fraction form
    103,474.86/142,765.88 = 58,148.07/x
  3. Step 3: Cross multiply
    103,474.86x = 142,765.88 × 58,148.07
  4. Step 4: Simplify right side
    103,474.86x = 8,301,560,093.11
  5. Step 5: Solve for x
    x = 8,301,560,093.11/103,474.86
  6. Step 6: Final answer
    x = 80,227.80

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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.