Home / 43,857.19-65,785.21-10,577.01

Finding the Fourth Proportional to 43,857.19, 65,785.21 and 10,577.01

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Solution

The fourth proportional to 43,857.19, 65,785.21 and 10,577.01 is: 15,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,857.19 : 65,785.21 = 10,577.01 : x
  2. Step 2: Convert to fraction form
    43,857.19/65,785.21 = 10,577.01/x
  3. Step 3: Cross multiply
    43,857.19x = 65,785.21 × 10,577.01
  4. Step 4: Simplify right side
    43,857.19x = 695,810,824.02
  5. Step 5: Solve for x
    x = 695,810,824.02/43,857.19
  6. Step 6: Final answer
    x = 15,865.38

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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.