Home / 79,466.02-119,757.25-71,578.44

Finding the Fourth Proportional to 79,466.02, 119,757.25 and 71,578.44

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Solution

The fourth proportional to 79,466.02, 119,757.25 and 71,578.44 is: 107,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,466.02 : 119,757.25 = 71,578.44 : x
  2. Step 2: Convert to fraction form
    79,466.02/119,757.25 = 71,578.44/x
  3. Step 3: Cross multiply
    79,466.02x = 119,757.25 × 71,578.44
  4. Step 4: Simplify right side
    79,466.02x = 8,572,037,133.69
  5. Step 5: Solve for x
    x = 8,572,037,133.69/79,466.02
  6. Step 6: Final answer
    x = 107,870.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.