Home / 69,973.81-96,564.87-38,142.72

Finding the Fourth Proportional to 69,973.81, 96,564.87 and 38,142.72

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Solution

The fourth proportional to 69,973.81, 96,564.87 and 38,142.72 is: 52,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973.81 : 96,564.87 = 38,142.72 : x
  2. Step 2: Convert to fraction form
    69,973.81/96,564.87 = 38,142.72/x
  3. Step 3: Cross multiply
    69,973.81x = 96,564.87 × 38,142.72
  4. Step 4: Simplify right side
    69,973.81x = 3,683,246,798.25
  5. Step 5: Solve for x
    x = 3,683,246,798.25/69,973.81
  6. Step 6: Final answer
    x = 52,637.51

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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.