Home / 97,800.54-146,699.19-31,240.20

Finding the Fourth Proportional to 97,800.54, 146,699.19 and 31,240.20

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Solution

The fourth proportional to 97,800.54, 146,699.19 and 31,240.20 is: 46,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,800.54 : 146,699.19 = 31,240.20 : x
  2. Step 2: Convert to fraction form
    97,800.54/146,699.19 = 31,240.20/x
  3. Step 3: Cross multiply
    97,800.54x = 146,699.19 × 31,240.20
  4. Step 4: Simplify right side
    97,800.54x = 4,582,912,035.44
  5. Step 5: Solve for x
    x = 4,582,912,035.44/97,800.54
  6. Step 6: Final answer
    x = 46,859.78

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1.5x scale

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.