Home / 64,409.09-96,629.99-20,036.18

Finding the Fourth Proportional to 64,409.09, 96,629.99 and 20,036.18

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Solution

The fourth proportional to 64,409.09, 96,629.99 and 20,036.18 is: 30,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,409.09 : 96,629.99 = 20,036.18 : x
  2. Step 2: Convert to fraction form
    64,409.09/96,629.99 = 20,036.18/x
  3. Step 3: Cross multiply
    64,409.09x = 96,629.99 × 20,036.18
  4. Step 4: Simplify right side
    64,409.09x = 1,936,095,873.04
  5. Step 5: Solve for x
    x = 1,936,095,873.04/64,409.09
  6. Step 6: Final answer
    x = 30,059.36

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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.