Home / 103,837.70-155,698.95-44,663.30

Finding the Fourth Proportional to 103,837.70, 155,698.95 and 44,663.30

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Solution

The fourth proportional to 103,837.70, 155,698.95 and 44,663.30 is: 66,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,837.70 : 155,698.95 = 44,663.30 : x
  2. Step 2: Convert to fraction form
    103,837.70/155,698.95 = 44,663.30/x
  3. Step 3: Cross multiply
    103,837.70x = 155,698.95 × 44,663.30
  4. Step 4: Simplify right side
    103,837.70x = 6,954,028,913.54
  5. Step 5: Solve for x
    x = 6,954,028,913.54/103,837.70
  6. Step 6: Final answer
    x = 66,970.17

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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.