Home / 89,272.84-133,944.12-39,317.83

Finding the Fourth Proportional to 89,272.84, 133,944.12 and 39,317.83

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Solution

The fourth proportional to 89,272.84, 133,944.12 and 39,317.83 is: 58,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,272.84 : 133,944.12 = 39,317.83 : x
  2. Step 2: Convert to fraction form
    89,272.84/133,944.12 = 39,317.83/x
  3. Step 3: Cross multiply
    89,272.84x = 133,944.12 × 39,317.83
  4. Step 4: Simplify right side
    89,272.84x = 5,266,392,139.66
  5. Step 5: Solve for x
    x = 5,266,392,139.66/89,272.84
  6. Step 6: Final answer
    x = 58,992.10

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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.