Home / 105,785.68-145,993.64-58,048.24

Finding the Fourth Proportional to 105,785.68, 145,993.64 and 58,048.24

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Solution

The fourth proportional to 105,785.68, 145,993.64 and 58,048.24 is: 80,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,785.68 : 145,993.64 = 58,048.24 : x
  2. Step 2: Convert to fraction form
    105,785.68/145,993.64 = 58,048.24/x
  3. Step 3: Cross multiply
    105,785.68x = 145,993.64 × 58,048.24
  4. Step 4: Simplify right side
    105,785.68x = 8,474,673,853.19
  5. Step 5: Solve for x
    x = 8,474,673,853.19/105,785.68
  6. Step 6: Final answer
    x = 80,111.73

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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.