Home / 105,553.90-158,341.24-30,674.70

Finding the Fourth Proportional to 105,553.90, 158,341.24 and 30,674.70

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Solution

The fourth proportional to 105,553.90, 158,341.24 and 30,674.70 is: 46,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,553.90 : 158,341.24 = 30,674.70 : x
  2. Step 2: Convert to fraction form
    105,553.90/158,341.24 = 30,674.70/x
  3. Step 3: Cross multiply
    105,553.90x = 158,341.24 × 30,674.70
  4. Step 4: Simplify right side
    105,553.90x = 4,857,070,034.63
  5. Step 5: Solve for x
    x = 4,857,070,034.63/105,553.90
  6. Step 6: Final answer
    x = 46,015.07

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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.