Home / 49,445.49-74,167.65-12,005.94

Finding the Fourth Proportional to 49,445.49, 74,167.65 and 12,005.94

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Solution

The fourth proportional to 49,445.49, 74,167.65 and 12,005.94 is: 18,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,445.49 : 74,167.65 = 12,005.94 : x
  2. Step 2: Convert to fraction form
    49,445.49/74,167.65 = 12,005.94/x
  3. Step 3: Cross multiply
    49,445.49x = 74,167.65 × 12,005.94
  4. Step 4: Simplify right side
    49,445.49x = 890,452,355.84
  5. Step 5: Solve for x
    x = 890,452,355.84/49,445.49
  6. Step 6: Final answer
    x = 18,008.77

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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.