Home / 65,904.57-90,934.07-39,055.41

Finding the Fourth Proportional to 65,904.57, 90,934.07 and 39,055.41

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Solution

The fourth proportional to 65,904.57, 90,934.07 and 39,055.41 is: 53,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904.57 : 90,934.07 = 39,055.41 : x
  2. Step 2: Convert to fraction form
    65,904.57/90,934.07 = 39,055.41/x
  3. Step 3: Cross multiply
    65,904.57x = 90,934.07 × 39,055.41
  4. Step 4: Simplify right side
    65,904.57x = 3,551,467,191.54
  5. Step 5: Solve for x
    x = 3,551,467,191.54/65,904.57
  6. Step 6: Final answer
    x = 53,888.03

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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.