Home / 97,723.70-146,585.55-86,837.30

Finding the Fourth Proportional to 97,723.70, 146,585.55 and 86,837.30

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Solution

The fourth proportional to 97,723.70, 146,585.55 and 86,837.30 is: 130,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,723.70 : 146,585.55 = 86,837.30 : x
  2. Step 2: Convert to fraction form
    97,723.70/146,585.55 = 86,837.30/x
  3. Step 3: Cross multiply
    97,723.70x = 146,585.55 × 86,837.30
  4. Step 4: Simplify right side
    97,723.70x = 12,729,093,381.02
  5. Step 5: Solve for x
    x = 12,729,093,381.02/97,723.70
  6. Step 6: Final answer
    x = 130,255.95

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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.