Home / 70,675.07-97,531.31-38,845.31

Finding the Fourth Proportional to 70,675.07, 97,531.31 and 38,845.31

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Solution

The fourth proportional to 70,675.07, 97,531.31 and 38,845.31 is: 53,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,675.07 : 97,531.31 = 38,845.31 : x
  2. Step 2: Convert to fraction form
    70,675.07/97,531.31 = 38,845.31/x
  3. Step 3: Cross multiply
    70,675.07x = 97,531.31 × 38,845.31
  4. Step 4: Simplify right side
    70,675.07x = 3,788,633,777.43
  5. Step 5: Solve for x
    x = 3,788,633,777.43/70,675.07
  6. Step 6: Final answer
    x = 53,606.37

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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.