Home / 82,669.84-124,012.92-26,495.80

Finding the Fourth Proportional to 82,669.84, 124,012.92 and 26,495.80

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Solution

The fourth proportional to 82,669.84, 124,012.92 and 26,495.80 is: 39,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,669.84 : 124,012.92 = 26,495.80 : x
  2. Step 2: Convert to fraction form
    82,669.84/124,012.92 = 26,495.80/x
  3. Step 3: Cross multiply
    82,669.84x = 124,012.92 × 26,495.80
  4. Step 4: Simplify right side
    82,669.84x = 3,285,821,525.74
  5. Step 5: Solve for x
    x = 3,285,821,525.74/82,669.84
  6. Step 6: Final answer
    x = 39,746.32

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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.