Home / 74,205.91-102,409.14-41,929.35

Finding the Fourth Proportional to 74,205.91, 102,409.14 and 41,929.35

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Solution

The fourth proportional to 74,205.91, 102,409.14 and 41,929.35 is: 57,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,205.91 : 102,409.14 = 41,929.35 : x
  2. Step 2: Convert to fraction form
    74,205.91/102,409.14 = 41,929.35/x
  3. Step 3: Cross multiply
    74,205.91x = 102,409.14 × 41,929.35
  4. Step 4: Simplify right side
    74,205.91x = 4,293,948,674.26
  5. Step 5: Solve for x
    x = 4,293,948,674.26/74,205.91
  6. Step 6: Final answer
    x = 57,865.32

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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.