Home / 89,231.52-133,823.07-38,647.92

Finding the Fourth Proportional to 89,231.52, 133,823.07 and 38,647.92

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Solution

The fourth proportional to 89,231.52, 133,823.07 and 38,647.92 is: 57,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,231.52 : 133,823.07 = 38,647.92 : x
  2. Step 2: Convert to fraction form
    89,231.52/133,823.07 = 38,647.92/x
  3. Step 3: Cross multiply
    89,231.52x = 133,823.07 × 38,647.92
  4. Step 4: Simplify right side
    89,231.52x = 5,171,983,303.51
  5. Step 5: Solve for x
    x = 5,171,983,303.51/89,231.52
  6. Step 6: Final answer
    x = 57,961.39

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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.