Home / 65,438.15-90,277.74-41,556.11

Finding the Fourth Proportional to 65,438.15, 90,277.74 and 41,556.11

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Solution

The fourth proportional to 65,438.15, 90,277.74 and 41,556.11 is: 57,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,438.15 : 90,277.74 = 41,556.11 : x
  2. Step 2: Convert to fraction form
    65,438.15/90,277.74 = 41,556.11/x
  3. Step 3: Cross multiply
    65,438.15x = 90,277.74 × 41,556.11
  4. Step 4: Simplify right side
    65,438.15x = 3,751,591,242.60
  5. Step 5: Solve for x
    x = 3,751,591,242.60/65,438.15
  6. Step 6: Final answer
    x = 57,330.34

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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.