Home / 74,829.12-103,269.24-43,010.70

Finding the Fourth Proportional to 74,829.12, 103,269.24 and 43,010.70

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Solution

The fourth proportional to 74,829.12, 103,269.24 and 43,010.70 is: 59,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,829.12 : 103,269.24 = 43,010.70 : x
  2. Step 2: Convert to fraction form
    74,829.12/103,269.24 = 43,010.70/x
  3. Step 3: Cross multiply
    74,829.12x = 103,269.24 × 43,010.70
  4. Step 4: Simplify right side
    74,829.12x = 4,441,682,300.87
  5. Step 5: Solve for x
    x = 4,441,682,300.87/74,829.12
  6. Step 6: Final answer
    x = 59,357.67

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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.