Home / 47,400.72-71,185.76-45,495.86

Finding the Fourth Proportional to 47,400.72, 71,185.76 and 45,495.86

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Solution

The fourth proportional to 47,400.72, 71,185.76 and 45,495.86 is: 68,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,400.72 : 71,185.76 = 45,495.86 : x
  2. Step 2: Convert to fraction form
    47,400.72/71,185.76 = 45,495.86/x
  3. Step 3: Cross multiply
    47,400.72x = 71,185.76 × 45,495.86
  4. Step 4: Simplify right side
    47,400.72x = 3,238,657,370.95
  5. Step 5: Solve for x
    x = 3,238,657,370.95/47,400.72
  6. Step 6: Final answer
    x = 68,325.07

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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.