Home / 74,968.50-103,389.56-62,201.47

Finding the Fourth Proportional to 74,968.50, 103,389.56 and 62,201.47

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Solution

The fourth proportional to 74,968.50, 103,389.56 and 62,201.47 is: 85,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,968.50 : 103,389.56 = 62,201.47 : x
  2. Step 2: Convert to fraction form
    74,968.50/103,389.56 = 62,201.47/x
  3. Step 3: Cross multiply
    74,968.50x = 103,389.56 × 62,201.47
  4. Step 4: Simplify right side
    74,968.50x = 6,430,982,822.17
  5. Step 5: Solve for x
    x = 6,430,982,822.17/74,968.50
  6. Step 6: Final answer
    x = 85,782.46

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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.