Home / 47,844-71,260.61-45,345.96

Finding the Fourth Proportional to 47,844, 71,260.61 and 45,345.96

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Solution

The fourth proportional to 47,844, 71,260.61 and 45,345.96 is: 67,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,844 : 71,260.61 = 45,345.96 : x
  2. Step 2: Convert to fraction form
    47,844/71,260.61 = 45,345.96/x
  3. Step 3: Cross multiply
    47,844x = 71,260.61 × 45,345.96
  4. Step 4: Simplify right side
    47,844x = 3,231,380,543.91
  5. Step 5: Solve for x
    x = 3,231,380,543.91/47,844
  6. Step 6: Final answer
    x = 67,539.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.