Home / 68,830.63-103,283.55-26,712.37

Finding the Fourth Proportional to 68,830.63, 103,283.55 and 26,712.37

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Solution

The fourth proportional to 68,830.63, 103,283.55 and 26,712.37 is: 40,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,830.63 : 103,283.55 = 26,712.37 : x
  2. Step 2: Convert to fraction form
    68,830.63/103,283.55 = 26,712.37/x
  3. Step 3: Cross multiply
    68,830.63x = 103,283.55 × 26,712.37
  4. Step 4: Simplify right side
    68,830.63x = 2,758,948,402.51
  5. Step 5: Solve for x
    x = 2,758,948,402.51/68,830.63
  6. Step 6: Final answer
    x = 40,083.15

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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.