Home / 79,377.96-109,534.43-43,567.19

Finding the Fourth Proportional to 79,377.96, 109,534.43 and 43,567.19

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Solution

The fourth proportional to 79,377.96, 109,534.43 and 43,567.19 is: 60,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,377.96 : 109,534.43 = 43,567.19 : x
  2. Step 2: Convert to fraction form
    79,377.96/109,534.43 = 43,567.19/x
  3. Step 3: Cross multiply
    79,377.96x = 109,534.43 × 43,567.19
  4. Step 4: Simplify right side
    79,377.96x = 4,772,106,557.84
  5. Step 5: Solve for x
    x = 4,772,106,557.84/79,377.96
  6. Step 6: Final answer
    x = 60,118.79

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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.