Home / 79,582.36-109,823.10-43,771.48

Finding the Fourth Proportional to 79,582.36, 109,823.10 and 43,771.48

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Solution

The fourth proportional to 79,582.36, 109,823.10 and 43,771.48 is: 60,404.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,582.36 : 109,823.10 = 43,771.48 : x
  2. Step 2: Convert to fraction form
    79,582.36/109,823.10 = 43,771.48/x
  3. Step 3: Cross multiply
    79,582.36x = 109,823.10 × 43,771.48
  4. Step 4: Simplify right side
    79,582.36x = 4,807,119,625.19
  5. Step 5: Solve for x
    x = 4,807,119,625.19/79,582.36
  6. Step 6: Final answer
    x = 60,404.34

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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.