Home / 79,430.60-119,173.23-49,813.76

Finding the Fourth Proportional to 79,430.60, 119,173.23 and 49,813.76

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Solution

The fourth proportional to 79,430.60, 119,173.23 and 49,813.76 is: 74,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,430.60 : 119,173.23 = 49,813.76 : x
  2. Step 2: Convert to fraction form
    79,430.60/119,173.23 = 49,813.76/x
  3. Step 3: Cross multiply
    79,430.60x = 119,173.23 × 49,813.76
  4. Step 4: Simplify right side
    79,430.60x = 5,936,466,081.78
  5. Step 5: Solve for x
    x = 5,936,466,081.78/79,430.60
  6. Step 6: Final answer
    x = 74,737.78

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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.