Home / 65,933.10-90,987.96-35,718.48

Finding the Fourth Proportional to 65,933.10, 90,987.96 and 35,718.48

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Solution

The fourth proportional to 65,933.10, 90,987.96 and 35,718.48 is: 49,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,933.10 : 90,987.96 = 35,718.48 : x
  2. Step 2: Convert to fraction form
    65,933.10/90,987.96 = 35,718.48/x
  3. Step 3: Cross multiply
    65,933.10x = 90,987.96 × 35,718.48
  4. Step 4: Simplify right side
    65,933.10x = 3,249,951,629.50
  5. Step 5: Solve for x
    x = 3,249,951,629.50/65,933.10
  6. Step 6: Final answer
    x = 49,291.66

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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.