Home / 65,548.27-90,453.71-40,097.36

Finding the Fourth Proportional to 65,548.27, 90,453.71 and 40,097.36

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Solution

The fourth proportional to 65,548.27, 90,453.71 and 40,097.36 is: 55,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,548.27 : 90,453.71 = 40,097.36 : x
  2. Step 2: Convert to fraction form
    65,548.27/90,453.71 = 40,097.36/x
  3. Step 3: Cross multiply
    65,548.27x = 90,453.71 × 40,097.36
  4. Step 4: Simplify right side
    65,548.27x = 3,626,955,299.58
  5. Step 5: Solve for x
    x = 3,626,955,299.58/65,548.27
  6. Step 6: Final answer
    x = 55,332.59

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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.