Home / 69,908.24-96,389.52-57,114.02

Finding the Fourth Proportional to 69,908.24, 96,389.52 and 57,114.02

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Solution

The fourth proportional to 69,908.24, 96,389.52 and 57,114.02 is: 78,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,908.24 : 96,389.52 = 57,114.02 : x
  2. Step 2: Convert to fraction form
    69,908.24/96,389.52 = 57,114.02/x
  3. Step 3: Cross multiply
    69,908.24x = 96,389.52 × 57,114.02
  4. Step 4: Simplify right side
    69,908.24x = 5,505,192,973.07
  5. Step 5: Solve for x
    x = 5,505,192,973.07/69,908.24
  6. Step 6: Final answer
    x = 78,748.84

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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.