Home / 79,418.34-109,592.36-43,608.18

Finding the Fourth Proportional to 79,418.34, 109,592.36 and 43,608.18

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Solution

The fourth proportional to 79,418.34, 109,592.36 and 43,608.18 is: 60,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,418.34 : 109,592.36 = 43,608.18 : x
  2. Step 2: Convert to fraction form
    79,418.34/109,592.36 = 43,608.18/x
  3. Step 3: Cross multiply
    79,418.34x = 109,592.36 × 43,608.18
  4. Step 4: Simplify right side
    79,418.34x = 4,779,123,361.50
  5. Step 5: Solve for x
    x = 4,779,123,361.50/79,418.34
  6. Step 6: Final answer
    x = 60,176.57

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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.