Home / 74,307.34-111,375.14-34,242.55

Finding the Fourth Proportional to 74,307.34, 111,375.14 and 34,242.55

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Solution

The fourth proportional to 74,307.34, 111,375.14 and 34,242.55 is: 51,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,307.34 : 111,375.14 = 34,242.55 : x
  2. Step 2: Convert to fraction form
    74,307.34/111,375.14 = 34,242.55/x
  3. Step 3: Cross multiply
    74,307.34x = 111,375.14 × 34,242.55
  4. Step 4: Simplify right side
    74,307.34x = 3,813,768,800.21
  5. Step 5: Solve for x
    x = 3,813,768,800.21/74,307.34
  6. Step 6: Final answer
    x = 51,324.25

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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.