Home / 70,707.51-97,576.38-38,878.56

Finding the Fourth Proportional to 70,707.51, 97,576.38 and 38,878.56

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Solution

The fourth proportional to 70,707.51, 97,576.38 and 38,878.56 is: 53,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,707.51 : 97,576.38 = 38,878.56 : x
  2. Step 2: Convert to fraction form
    70,707.51/97,576.38 = 38,878.56/x
  3. Step 3: Cross multiply
    70,707.51x = 97,576.38 × 38,878.56
  4. Step 4: Simplify right side
    70,707.51x = 3,793,629,144.41
  5. Step 5: Solve for x
    x = 3,793,629,144.41/70,707.51
  6. Step 6: Final answer
    x = 53,652.42

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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.