Home / 103,970.35-155,954.08-25,083.91

Finding the Fourth Proportional to 103,970.35, 155,954.08 and 25,083.91

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Solution

The fourth proportional to 103,970.35, 155,954.08 and 25,083.91 is: 37,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,970.35 : 155,954.08 = 25,083.91 : x
  2. Step 2: Convert to fraction form
    103,970.35/155,954.08 = 25,083.91/x
  3. Step 3: Cross multiply
    103,970.35x = 155,954.08 × 25,083.91
  4. Step 4: Simplify right side
    103,970.35x = 3,911,938,106.85
  5. Step 5: Solve for x
    x = 3,911,938,106.85/103,970.35
  6. Step 6: Final answer
    x = 37,625.52

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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.