Home / 79,676.07-109,950.85-43,866.35

Finding the Fourth Proportional to 79,676.07, 109,950.85 and 43,866.35

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Solution

The fourth proportional to 79,676.07, 109,950.85 and 43,866.35 is: 60,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,676.07 : 109,950.85 = 43,866.35 : x
  2. Step 2: Convert to fraction form
    79,676.07/109,950.85 = 43,866.35/x
  3. Step 3: Cross multiply
    79,676.07x = 109,950.85 × 43,866.35
  4. Step 4: Simplify right side
    79,676.07x = 4,823,142,468.90
  5. Step 5: Solve for x
    x = 4,823,142,468.90/79,676.07
  6. Step 6: Final answer
    x = 60,534.39

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1.5x scale

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.