Home / 77,183.18-106,563.30-59,371.28

Finding the Fourth Proportional to 77,183.18, 106,563.30 and 59,371.28

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Solution

The fourth proportional to 77,183.18, 106,563.30 and 59,371.28 is: 81,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,183.18 : 106,563.30 = 59,371.28 : x
  2. Step 2: Convert to fraction form
    77,183.18/106,563.30 = 59,371.28/x
  3. Step 3: Cross multiply
    77,183.18x = 106,563.30 × 59,371.28
  4. Step 4: Simplify right side
    77,183.18x = 6,326,799,522.02
  5. Step 5: Solve for x
    x = 6,326,799,522.02/77,183.18
  6. Step 6: Final answer
    x = 81,971.22

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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.