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Finding the Fourth Proportional to 80,407.58, 110,954.09 and 46,404.59

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Solution

The fourth proportional to 80,407.58, 110,954.09 and 46,404.59 is: 64,033.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,407.58 : 110,954.09 = 46,404.59 : x
  2. Step 2: Convert to fraction form
    80,407.58/110,954.09 = 46,404.59/x
  3. Step 3: Cross multiply
    80,407.58x = 110,954.09 × 46,404.59
  4. Step 4: Simplify right side
    80,407.58x = 5,148,778,823.25
  5. Step 5: Solve for x
    x = 5,148,778,823.25/80,407.58
  6. Step 6: Final answer
    x = 64,033.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.