Home / 91,351.37-126,064.51-51,065.10

Finding the Fourth Proportional to 91,351.37, 126,064.51 and 51,065.10

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Solution

The fourth proportional to 91,351.37, 126,064.51 and 51,065.10 is: 70,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,351.37 : 126,064.51 = 51,065.10 : x
  2. Step 2: Convert to fraction form
    91,351.37/126,064.51 = 51,065.10/x
  3. Step 3: Cross multiply
    91,351.37x = 126,064.51 × 51,065.10
  4. Step 4: Simplify right side
    91,351.37x = 6,437,496,681.94
  5. Step 5: Solve for x
    x = 6,437,496,681.94/91,351.37
  6. Step 6: Final answer
    x = 70,469.62

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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.