Home / 65,740.50-90,723.33-35,932.50

Finding the Fourth Proportional to 65,740.50, 90,723.33 and 35,932.50

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Solution

The fourth proportional to 65,740.50, 90,723.33 and 35,932.50 is: 49,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,740.50 : 90,723.33 = 35,932.50 : x
  2. Step 2: Convert to fraction form
    65,740.50/90,723.33 = 35,932.50/x
  3. Step 3: Cross multiply
    65,740.50x = 90,723.33 × 35,932.50
  4. Step 4: Simplify right side
    65,740.50x = 3,259,916,055.23
  5. Step 5: Solve for x
    x = 3,259,916,055.23/65,740.50
  6. Step 6: Final answer
    x = 49,587.64

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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.