Home / 97,099.93-145,665.60-28,718.42

Finding the Fourth Proportional to 97,099.93, 145,665.60 and 28,718.42

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Solution

The fourth proportional to 97,099.93, 145,665.60 and 28,718.42 is: 43,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,099.93 : 145,665.60 = 28,718.42 : x
  2. Step 2: Convert to fraction form
    97,099.93/145,665.60 = 28,718.42/x
  3. Step 3: Cross multiply
    97,099.93x = 145,665.60 × 28,718.42
  4. Step 4: Simplify right side
    97,099.93x = 4,183,285,044.33
  5. Step 5: Solve for x
    x = 4,183,285,044.33/97,099.93
  6. Step 6: Final answer
    x = 43,082.27

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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.