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Finding the Fourth Proportional to 75,127.66, 103,668.98 and 44,906.98

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Solution

The fourth proportional to 75,127.66, 103,668.98 and 44,906.98 is: 61,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.66 : 103,668.98 = 44,906.98 : x
  2. Step 2: Convert to fraction form
    75,127.66/103,668.98 = 44,906.98/x
  3. Step 3: Cross multiply
    75,127.66x = 103,668.98 × 44,906.98
  4. Step 4: Simplify right side
    75,127.66x = 4,655,460,811.48
  5. Step 5: Solve for x
    x = 4,655,460,811.48/75,127.66
  6. Step 6: Final answer
    x = 61,967.33

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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.