Home / 97,880.08-146,842-31,324.20

Finding the Fourth Proportional to 97,880.08, 146,842 and 31,324.20

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Solution

The fourth proportional to 97,880.08, 146,842 and 31,324.20 is: 46,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,880.08 : 146,842 = 31,324.20 : x
  2. Step 2: Convert to fraction form
    97,880.08/146,842 = 31,324.20/x
  3. Step 3: Cross multiply
    97,880.08x = 146,842 × 31,324.20
  4. Step 4: Simplify right side
    97,880.08x = 4,599,708,176.40
  5. Step 5: Solve for x
    x = 4,599,708,176.40/97,880.08
  6. Step 6: Final answer
    x = 46,993.30

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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.