Home / 91,284.37-125,975.00-51,002.56

Finding the Fourth Proportional to 91,284.37, 125,975.00 and 51,002.56

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Solution

The fourth proportional to 91,284.37, 125,975.00 and 51,002.56 is: 70,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,284.37 : 125,975.00 = 51,002.56 : x
  2. Step 2: Convert to fraction form
    91,284.37/125,975.00 = 51,002.56/x
  3. Step 3: Cross multiply
    91,284.37x = 125,975.00 × 51,002.56
  4. Step 4: Simplify right side
    91,284.37x = 6,425,047,494.09
  5. Step 5: Solve for x
    x = 6,425,047,494.09/91,284.37
  6. Step 6: Final answer
    x = 70,384.97

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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.