Home / 89,271.84-133,942.62-39,316.83

Finding the Fourth Proportional to 89,271.84, 133,942.62 and 39,316.83

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Solution

The fourth proportional to 89,271.84, 133,942.62 and 39,316.83 is: 58,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,271.84 : 133,942.62 = 39,316.83 : x
  2. Step 2: Convert to fraction form
    89,271.84/133,942.62 = 39,316.83/x
  3. Step 3: Cross multiply
    89,271.84x = 133,942.62 × 39,316.83
  4. Step 4: Simplify right side
    89,271.84x = 5,266,199,220.29
  5. Step 5: Solve for x
    x = 5,266,199,220.29/89,271.84
  6. Step 6: Final answer
    x = 58,990.60

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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.