Home / 103,085.19-154,578.83-39,934.89

Finding the Fourth Proportional to 103,085.19, 154,578.83 and 39,934.89

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Solution

The fourth proportional to 103,085.19, 154,578.83 and 39,934.89 is: 59,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,085.19 : 154,578.83 = 39,934.89 : x
  2. Step 2: Convert to fraction form
    103,085.19/154,578.83 = 39,934.89/x
  3. Step 3: Cross multiply
    103,085.19x = 154,578.83 × 39,934.89
  4. Step 4: Simplify right side
    103,085.19x = 6,173,088,372.70
  5. Step 5: Solve for x
    x = 6,173,088,372.70/103,085.19
  6. Step 6: Final answer
    x = 59,883.37

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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.