Home / 82,389.70-113,637.66-52,179.94

Finding the Fourth Proportional to 82,389.70, 113,637.66 and 52,179.94

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Solution

The fourth proportional to 82,389.70, 113,637.66 and 52,179.94 is: 71,970.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,389.70 : 113,637.66 = 52,179.94 : x
  2. Step 2: Convert to fraction form
    82,389.70/113,637.66 = 52,179.94/x
  3. Step 3: Cross multiply
    82,389.70x = 113,637.66 × 52,179.94
  4. Step 4: Simplify right side
    82,389.70x = 5,929,606,280.54
  5. Step 5: Solve for x
    x = 5,929,606,280.54/82,389.70
  6. Step 6: Final answer
    x = 71,970.24

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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.