Home / 74,847.10-103,113.54-52,145.02

Finding the Fourth Proportional to 74,847.10, 103,113.54 and 52,145.02

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Solution

The fourth proportional to 74,847.10, 103,113.54 and 52,145.02 is: 71,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,847.10 : 103,113.54 = 52,145.02 : x
  2. Step 2: Convert to fraction form
    74,847.10/103,113.54 = 52,145.02/x
  3. Step 3: Cross multiply
    74,847.10x = 103,113.54 × 52,145.02
  4. Step 4: Simplify right side
    74,847.10x = 5,376,857,344.85
  5. Step 5: Solve for x
    x = 5,376,857,344.85/74,847.10
  6. Step 6: Final answer
    x = 71,837.89

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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.