Home / 42,792.70-64,067.55-40,465.30

Finding the Fourth Proportional to 42,792.70, 64,067.55 and 40,465.30

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Solution

The fourth proportional to 42,792.70, 64,067.55 and 40,465.30 is: 60,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,792.70 : 64,067.55 = 40,465.30 : x
  2. Step 2: Convert to fraction form
    42,792.70/64,067.55 = 40,465.30/x
  3. Step 3: Cross multiply
    42,792.70x = 64,067.55 × 40,465.30
  4. Step 4: Simplify right side
    42,792.70x = 2,592,512,631.02
  5. Step 5: Solve for x
    x = 2,592,512,631.02/42,792.70
  6. Step 6: Final answer
    x = 60,583.06

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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.