Home / 70,943.52-97,896.48-39,110.64

Finding the Fourth Proportional to 70,943.52, 97,896.48 and 39,110.64

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Solution

The fourth proportional to 70,943.52, 97,896.48 and 39,110.64 is: 53,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943.52 : 97,896.48 = 39,110.64 : x
  2. Step 2: Convert to fraction form
    70,943.52/97,896.48 = 39,110.64/x
  3. Step 3: Cross multiply
    70,943.52x = 97,896.48 × 39,110.64
  4. Step 4: Simplify right side
    70,943.52x = 3,828,793,986.55
  5. Step 5: Solve for x
    x = 3,828,793,986.55/70,943.52
  6. Step 6: Final answer
    x = 53,969.61

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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.