Home / 74,739.72-112,109.56-51,295.08

Finding the Fourth Proportional to 74,739.72, 112,109.56 and 51,295.08

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Solution

The fourth proportional to 74,739.72, 112,109.56 and 51,295.08 is: 76,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,739.72 : 112,109.56 = 51,295.08 : x
  2. Step 2: Convert to fraction form
    74,739.72/112,109.56 = 51,295.08/x
  3. Step 3: Cross multiply
    74,739.72x = 112,109.56 × 51,295.08
  4. Step 4: Simplify right side
    74,739.72x = 5,750,668,848.96
  5. Step 5: Solve for x
    x = 5,750,668,848.96/74,739.72
  6. Step 6: Final answer
    x = 76,942.61

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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.