Home / 97,320.72-145,874.43-38,091.30

Finding the Fourth Proportional to 97,320.72, 145,874.43 and 38,091.30

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Solution

The fourth proportional to 97,320.72, 145,874.43 and 38,091.30 is: 57,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,320.72 : 145,874.43 = 38,091.30 : x
  2. Step 2: Convert to fraction form
    97,320.72/145,874.43 = 38,091.30/x
  3. Step 3: Cross multiply
    97,320.72x = 145,874.43 × 38,091.30
  4. Step 4: Simplify right side
    97,320.72x = 5,556,546,675.46
  5. Step 5: Solve for x
    x = 5,556,546,675.46/97,320.72
  6. Step 6: Final answer
    x = 57,095.21

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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.