Home / 105,812.24-146,022.69-58,070.03

Finding the Fourth Proportional to 105,812.24, 146,022.69 and 58,070.03

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Solution

The fourth proportional to 105,812.24, 146,022.69 and 58,070.03 is: 80,137.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,812.24 : 146,022.69 = 58,070.03 : x
  2. Step 2: Convert to fraction form
    105,812.24/146,022.69 = 58,070.03/x
  3. Step 3: Cross multiply
    105,812.24x = 146,022.69 × 58,070.03
  4. Step 4: Simplify right side
    105,812.24x = 8,479,541,258.87
  5. Step 5: Solve for x
    x = 8,479,541,258.87/105,812.24
  6. Step 6: Final answer
    x = 80,137.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.