Home / 47,765.36-65,983.65-38,268.31

Finding the Fourth Proportional to 47,765.36, 65,983.65 and 38,268.31

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Solution

The fourth proportional to 47,765.36, 65,983.65 and 38,268.31 is: 52,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,765.36 : 65,983.65 = 38,268.31 : x
  2. Step 2: Convert to fraction form
    47,765.36/65,983.65 = 38,268.31/x
  3. Step 3: Cross multiply
    47,765.36x = 65,983.65 × 38,268.31
  4. Step 4: Simplify right side
    47,765.36x = 2,525,082,927.36
  5. Step 5: Solve for x
    x = 2,525,082,927.36/47,765.36
  6. Step 6: Final answer
    x = 52,864.31

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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.