Home / 74,740.75-111,984.26-45,096.30

Finding the Fourth Proportional to 74,740.75, 111,984.26 and 45,096.30

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Solution

The fourth proportional to 74,740.75, 111,984.26 and 45,096.30 is: 67,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,740.75 : 111,984.26 = 45,096.30 : x
  2. Step 2: Convert to fraction form
    74,740.75/111,984.26 = 45,096.30/x
  3. Step 3: Cross multiply
    74,740.75x = 111,984.26 × 45,096.30
  4. Step 4: Simplify right side
    74,740.75x = 5,050,075,558.76
  5. Step 5: Solve for x
    x = 5,050,075,558.76/74,740.75
  6. Step 6: Final answer
    x = 67,567.90

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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.