Home / 82,912.28-124,271.04-38,445.44

Finding the Fourth Proportional to 82,912.28, 124,271.04 and 38,445.44

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Solution

The fourth proportional to 82,912.28, 124,271.04 and 38,445.44 is: 57,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912.28 : 124,271.04 = 38,445.44 : x
  2. Step 2: Convert to fraction form
    82,912.28/124,271.04 = 38,445.44/x
  3. Step 3: Cross multiply
    82,912.28x = 124,271.04 × 38,445.44
  4. Step 4: Simplify right side
    82,912.28x = 4,777,654,812.06
  5. Step 5: Solve for x
    x = 4,777,654,812.06/82,912.28
  6. Step 6: Final answer
    x = 57,623.01

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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.