Home / 91,439.44-137,034.62-51,477.48

Finding the Fourth Proportional to 91,439.44, 137,034.62 and 51,477.48

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Solution

The fourth proportional to 91,439.44, 137,034.62 and 51,477.48 is: 77,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,439.44 : 137,034.62 = 51,477.48 : x
  2. Step 2: Convert to fraction form
    91,439.44/137,034.62 = 51,477.48/x
  3. Step 3: Cross multiply
    91,439.44x = 137,034.62 × 51,477.48
  4. Step 4: Simplify right side
    91,439.44x = 7,054,196,846.01
  5. Step 5: Solve for x
    x = 7,054,196,846.01/91,439.44
  6. Step 6: Final answer
    x = 77,146.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.