Home / 65,556.14-90,465.96-40,062.40

Finding the Fourth Proportional to 65,556.14, 90,465.96 and 40,062.40

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Solution

The fourth proportional to 65,556.14, 90,465.96 and 40,062.40 is: 55,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,556.14 : 90,465.96 = 40,062.40 : x
  2. Step 2: Convert to fraction form
    65,556.14/90,465.96 = 40,062.40/x
  3. Step 3: Cross multiply
    65,556.14x = 90,465.96 × 40,062.40
  4. Step 4: Simplify right side
    65,556.14x = 3,624,283,399.97
  5. Step 5: Solve for x
    x = 3,624,283,399.97/65,556.14
  6. Step 6: Final answer
    x = 55,285.19

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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.