Home / 65,577.32-98,291.56-57,664.54

Finding the Fourth Proportional to 65,577.32, 98,291.56 and 57,664.54

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Solution

The fourth proportional to 65,577.32, 98,291.56 and 57,664.54 is: 86,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,577.32 : 98,291.56 = 57,664.54 : x
  2. Step 2: Convert to fraction form
    65,577.32/98,291.56 = 57,664.54/x
  3. Step 3: Cross multiply
    65,577.32x = 98,291.56 × 57,664.54
  4. Step 4: Simplify right side
    65,577.32x = 5,667,937,593.28
  5. Step 5: Solve for x
    x = 5,667,937,593.28/65,577.32
  6. Step 6: Final answer
    x = 86,431.37

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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.