Home / 79,788.70-110,106.45-43,977.92

Finding the Fourth Proportional to 79,788.70, 110,106.45 and 43,977.92

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Solution

The fourth proportional to 79,788.70, 110,106.45 and 43,977.92 is: 60,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,788.70 : 110,106.45 = 43,977.92 : x
  2. Step 2: Convert to fraction form
    79,788.70/110,106.45 = 43,977.92/x
  3. Step 3: Cross multiply
    79,788.70x = 110,106.45 × 43,977.92
  4. Step 4: Simplify right side
    79,788.70x = 4,842,252,649.58
  5. Step 5: Solve for x
    x = 4,842,252,649.58/79,788.70
  6. Step 6: Final answer
    x = 60,688.45

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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.