Home / 74,317.12-111,477.84-34,892.80

Finding the Fourth Proportional to 74,317.12, 111,477.84 and 34,892.80

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Solution

The fourth proportional to 74,317.12, 111,477.84 and 34,892.80 is: 52,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,317.12 : 111,477.84 = 34,892.80 : x
  2. Step 2: Convert to fraction form
    74,317.12/111,477.84 = 34,892.80/x
  3. Step 3: Cross multiply
    74,317.12x = 111,477.84 × 34,892.80
  4. Step 4: Simplify right side
    74,317.12x = 3,889,773,975.55
  5. Step 5: Solve for x
    x = 3,889,773,975.55/74,317.12
  6. Step 6: Final answer
    x = 52,340.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.