Home / 103,191.03-154,787.09-46,991.95

Finding the Fourth Proportional to 103,191.03, 154,787.09 and 46,991.95

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Solution

The fourth proportional to 103,191.03, 154,787.09 and 46,991.95 is: 70,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,191.03 : 154,787.09 = 46,991.95 : x
  2. Step 2: Convert to fraction form
    103,191.03/154,787.09 = 46,991.95/x
  3. Step 3: Cross multiply
    103,191.03x = 154,787.09 × 46,991.95
  4. Step 4: Simplify right side
    103,191.03x = 7,273,746,572.00
  5. Step 5: Solve for x
    x = 7,273,746,572.00/103,191.03
  6. Step 6: Final answer
    x = 70,488.17

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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.