Home / 97,442.72-146,168.16-30,881.38

Finding the Fourth Proportional to 97,442.72, 146,168.16 and 30,881.38

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Solution

The fourth proportional to 97,442.72, 146,168.16 and 30,881.38 is: 46,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,442.72 : 146,168.16 = 30,881.38 : x
  2. Step 2: Convert to fraction form
    97,442.72/146,168.16 = 30,881.38/x
  3. Step 3: Cross multiply
    97,442.72x = 146,168.16 × 30,881.38
  4. Step 4: Simplify right side
    97,442.72x = 4,513,874,492.86
  5. Step 5: Solve for x
    x = 4,513,874,492.86/97,442.72
  6. Step 6: Final answer
    x = 46,323.36

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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.