Home / 96,821.43-145,288.99-40,657.22

Finding the Fourth Proportional to 96,821.43, 145,288.99 and 40,657.22

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Solution

The fourth proportional to 96,821.43, 145,288.99 and 40,657.22 is: 61,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,821.43 : 145,288.99 = 40,657.22 : x
  2. Step 2: Convert to fraction form
    96,821.43/145,288.99 = 40,657.22/x
  3. Step 3: Cross multiply
    96,821.43x = 145,288.99 × 40,657.22
  4. Step 4: Simplify right side
    96,821.43x = 5,907,046,430.01
  5. Step 5: Solve for x
    x = 5,907,046,430.01/96,821.43
  6. Step 6: Final answer
    x = 61,009.70

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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.