Home / 79,029.06-109,058.82-43,218.96

Finding the Fourth Proportional to 79,029.06, 109,058.82 and 43,218.96

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Solution

The fourth proportional to 79,029.06, 109,058.82 and 43,218.96 is: 59,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,029.06 : 109,058.82 = 43,218.96 : x
  2. Step 2: Convert to fraction form
    79,029.06/109,058.82 = 43,218.96/x
  3. Step 3: Cross multiply
    79,029.06x = 109,058.82 × 43,218.96
  4. Step 4: Simplify right side
    79,029.06x = 4,713,408,779.23
  5. Step 5: Solve for x
    x = 4,713,408,779.23/79,029.06
  6. Step 6: Final answer
    x = 59,641.46

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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.