Home / 54,129.90-74,696.24-29,929.46

Finding the Fourth Proportional to 54,129.90, 74,696.24 and 29,929.46

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Solution

The fourth proportional to 54,129.90, 74,696.24 and 29,929.46 is: 41,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,129.90 : 74,696.24 = 29,929.46 : x
  2. Step 2: Convert to fraction form
    54,129.90/74,696.24 = 29,929.46/x
  3. Step 3: Cross multiply
    54,129.90x = 74,696.24 × 29,929.46
  4. Step 4: Simplify right side
    54,129.90x = 2,235,617,977.58
  5. Step 5: Solve for x
    x = 2,235,617,977.58/54,129.90
  6. Step 6: Final answer
    x = 41,300.98

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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.