Home / 69,996.02-96,592.09-39,780.81

Finding the Fourth Proportional to 69,996.02, 96,592.09 and 39,780.81

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Solution

The fourth proportional to 69,996.02, 96,592.09 and 39,780.81 is: 54,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,996.02 : 96,592.09 = 39,780.81 : x
  2. Step 2: Convert to fraction form
    69,996.02/96,592.09 = 39,780.81/x
  3. Step 3: Cross multiply
    69,996.02x = 96,592.09 × 39,780.81
  4. Step 4: Simplify right side
    69,996.02x = 3,842,511,579.79
  5. Step 5: Solve for x
    x = 3,842,511,579.79/69,996.02
  6. Step 6: Final answer
    x = 54,896.14

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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.