Home / 60,890.58-91,316.43-19,327.86

Finding the Fourth Proportional to 60,890.58, 91,316.43 and 19,327.86

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Solution

The fourth proportional to 60,890.58, 91,316.43 and 19,327.86 is: 28,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,890.58 : 91,316.43 = 19,327.86 : x
  2. Step 2: Convert to fraction form
    60,890.58/91,316.43 = 19,327.86/x
  3. Step 3: Cross multiply
    60,890.58x = 91,316.43 × 19,327.86
  4. Step 4: Simplify right side
    60,890.58x = 1,764,951,174.74
  5. Step 5: Solve for x
    x = 1,764,951,174.74/60,890.58
  6. Step 6: Final answer
    x = 28,985.62

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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.