Home / 71,187.10-106,749.66-37,899.74

Finding the Fourth Proportional to 71,187.10, 106,749.66 and 37,899.74

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Solution

The fourth proportional to 71,187.10, 106,749.66 and 37,899.74 is: 56,833.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,187.10 : 106,749.66 = 37,899.74 : x
  2. Step 2: Convert to fraction form
    71,187.10/106,749.66 = 37,899.74/x
  3. Step 3: Cross multiply
    71,187.10x = 106,749.66 × 37,899.74
  4. Step 4: Simplify right side
    71,187.10x = 4,045,784,359.09
  5. Step 5: Solve for x
    x = 4,045,784,359.09/71,187.10
  6. Step 6: Final answer
    x = 56,833.11

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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.