Home / 65,577.16-90,467.58-40,441.24

Finding the Fourth Proportional to 65,577.16, 90,467.58 and 40,441.24

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Solution

The fourth proportional to 65,577.16, 90,467.58 and 40,441.24 is: 55,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,577.16 : 90,467.58 = 40,441.24 : x
  2. Step 2: Convert to fraction form
    65,577.16/90,467.58 = 40,441.24/x
  3. Step 3: Cross multiply
    65,577.16x = 90,467.58 × 40,441.24
  4. Step 4: Simplify right side
    65,577.16x = 3,658,621,115.00
  5. Step 5: Solve for x
    x = 3,658,621,115.00/65,577.16
  6. Step 6: Final answer
    x = 55,791.09

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1.5x scale

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.