Home / 82,838.89-124,071.40-38,372.23

Finding the Fourth Proportional to 82,838.89, 124,071.40 and 38,372.23

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Solution

The fourth proportional to 82,838.89, 124,071.40 and 38,372.23 is: 57,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,838.89 : 124,071.40 = 38,372.23 : x
  2. Step 2: Convert to fraction form
    82,838.89/124,071.40 = 38,372.23/x
  3. Step 3: Cross multiply
    82,838.89x = 124,071.40 × 38,372.23
  4. Step 4: Simplify right side
    82,838.89x = 4,760,896,297.22
  5. Step 5: Solve for x
    x = 4,760,896,297.22/82,838.89
  6. Step 6: Final answer
    x = 57,471.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.