Home / 89,681.72-134,530.31-23,121.27

Finding the Fourth Proportional to 89,681.72, 134,530.31 and 23,121.27

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Solution

The fourth proportional to 89,681.72, 134,530.31 and 23,121.27 is: 34,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,681.72 : 134,530.31 = 23,121.27 : x
  2. Step 2: Convert to fraction form
    89,681.72/134,530.31 = 23,121.27/x
  3. Step 3: Cross multiply
    89,681.72x = 134,530.31 × 23,121.27
  4. Step 4: Simplify right side
    89,681.72x = 3,110,511,678.50
  5. Step 5: Solve for x
    x = 3,110,511,678.50/89,681.72
  6. Step 6: Final answer
    x = 34,683.90

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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.