Home / 105,583.70-158,264.58-38,981.36

Finding the Fourth Proportional to 105,583.70, 158,264.58 and 38,981.36

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Solution

The fourth proportional to 105,583.70, 158,264.58 and 38,981.36 is: 58,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,583.70 : 158,264.58 = 38,981.36 : x
  2. Step 2: Convert to fraction form
    105,583.70/158,264.58 = 38,981.36/x
  3. Step 3: Cross multiply
    105,583.70x = 158,264.58 × 38,981.36
  4. Step 4: Simplify right side
    105,583.70x = 6,169,368,568.23
  5. Step 5: Solve for x
    x = 6,169,368,568.23/105,583.70
  6. Step 6: Final answer
    x = 58,431.07

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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.