Home / 69,973.11-96,563.88-38,142.54

Finding the Fourth Proportional to 69,973.11, 96,563.88 and 38,142.54

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Solution

The fourth proportional to 69,973.11, 96,563.88 and 38,142.54 is: 52,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973.11 : 96,563.88 = 38,142.54 : x
  2. Step 2: Convert to fraction form
    69,973.11/96,563.88 = 38,142.54/x
  3. Step 3: Cross multiply
    69,973.11x = 96,563.88 × 38,142.54
  4. Step 4: Simplify right side
    69,973.11x = 3,683,191,655.46
  5. Step 5: Solve for x
    x = 3,683,191,655.46/69,973.11
  6. Step 6: Final answer
    x = 52,637.24

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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.