Home / 75,720.89-113,455.79-46,048.97

Finding the Fourth Proportional to 75,720.89, 113,455.79 and 46,048.97

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Solution

The fourth proportional to 75,720.89, 113,455.79 and 46,048.97 is: 68,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,720.89 : 113,455.79 = 46,048.97 : x
  2. Step 2: Convert to fraction form
    75,720.89/113,455.79 = 46,048.97/x
  3. Step 3: Cross multiply
    75,720.89x = 113,455.79 × 46,048.97
  4. Step 4: Simplify right side
    75,720.89x = 5,224,522,496.11
  5. Step 5: Solve for x
    x = 5,224,522,496.11/75,720.89
  6. Step 6: Final answer
    x = 68,997.11

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1.5x scale

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.