Home / 82,574.70-113,971.26-54,283.02

Finding the Fourth Proportional to 82,574.70, 113,971.26 and 54,283.02

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Solution

The fourth proportional to 82,574.70, 113,971.26 and 54,283.02 is: 74,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,574.70 : 113,971.26 = 54,283.02 : x
  2. Step 2: Convert to fraction form
    82,574.70/113,971.26 = 54,283.02/x
  3. Step 3: Cross multiply
    82,574.70x = 113,971.26 × 54,283.02
  4. Step 4: Simplify right side
    82,574.70x = 6,186,704,186.01
  5. Step 5: Solve for x
    x = 6,186,704,186.01/82,574.70
  6. Step 6: Final answer
    x = 74,922.51

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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.