Home / 51,938.74-71,683.14-38,491.12

Finding the Fourth Proportional to 51,938.74, 71,683.14 and 38,491.12

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Solution

The fourth proportional to 51,938.74, 71,683.14 and 38,491.12 is: 53,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938.74 : 71,683.14 = 38,491.12 : x
  2. Step 2: Convert to fraction form
    51,938.74/71,683.14 = 38,491.12/x
  3. Step 3: Cross multiply
    51,938.74x = 71,683.14 × 38,491.12
  4. Step 4: Simplify right side
    51,938.74x = 2,759,164,343.72
  5. Step 5: Solve for x
    x = 2,759,164,343.72/51,938.74
  6. Step 6: Final answer
    x = 53,123.44

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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.