Home / 82,953.06-124,429.51-20,623.56

Finding the Fourth Proportional to 82,953.06, 124,429.51 and 20,623.56

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Solution

The fourth proportional to 82,953.06, 124,429.51 and 20,623.56 is: 30,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,953.06 : 124,429.51 = 20,623.56 : x
  2. Step 2: Convert to fraction form
    82,953.06/124,429.51 = 20,623.56/x
  3. Step 3: Cross multiply
    82,953.06x = 124,429.51 × 20,623.56
  4. Step 4: Simplify right side
    82,953.06x = 2,566,179,465.26
  5. Step 5: Solve for x
    x = 2,566,179,465.26/82,953.06
  6. Step 6: Final answer
    x = 30,935.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.