Home / 70,021.02-96,628.58-39,806.36

Finding the Fourth Proportional to 70,021.02, 96,628.58 and 39,806.36

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Solution

The fourth proportional to 70,021.02, 96,628.58 and 39,806.36 is: 54,932.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,021.02 : 96,628.58 = 39,806.36 : x
  2. Step 2: Convert to fraction form
    70,021.02/96,628.58 = 39,806.36/x
  3. Step 3: Cross multiply
    70,021.02x = 96,628.58 × 39,806.36
  4. Step 4: Simplify right side
    70,021.02x = 3,846,431,558.63
  5. Step 5: Solve for x
    x = 3,846,431,558.63/70,021.02
  6. Step 6: Final answer
    x = 54,932.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.