Home / 97,380.78-146,019.33-57,416.46

Finding the Fourth Proportional to 97,380.78, 146,019.33 and 57,416.46

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Solution

The fourth proportional to 97,380.78, 146,019.33 and 57,416.46 is: 86,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,380.78 : 146,019.33 = 57,416.46 : x
  2. Step 2: Convert to fraction form
    97,380.78/146,019.33 = 57,416.46/x
  3. Step 3: Cross multiply
    97,380.78x = 146,019.33 × 57,416.46
  4. Step 4: Simplify right side
    97,380.78x = 8,383,913,020.17
  5. Step 5: Solve for x
    x = 8,383,913,020.17/97,380.78
  6. Step 6: Final answer
    x = 86,094.12

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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.