Home / 105,513.03-158,285.14-30,623.47

Finding the Fourth Proportional to 105,513.03, 158,285.14 and 30,623.47

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Solution

The fourth proportional to 105,513.03, 158,285.14 and 30,623.47 is: 45,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,513.03 : 158,285.14 = 30,623.47 : x
  2. Step 2: Convert to fraction form
    105,513.03/158,285.14 = 30,623.47/x
  3. Step 3: Cross multiply
    105,513.03x = 158,285.14 × 30,623.47
  4. Step 4: Simplify right side
    105,513.03x = 4,847,239,763.96
  5. Step 5: Solve for x
    x = 4,847,239,763.96/105,513.03
  6. Step 6: Final answer
    x = 45,939.73

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1.5x scale

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.