Home / 105,814.41-146,025.66-58,072.20

Finding the Fourth Proportional to 105,814.41, 146,025.66 and 58,072.20

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Solution

The fourth proportional to 105,814.41, 146,025.66 and 58,072.20 is: 80,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,814.41 : 146,025.66 = 58,072.20 : x
  2. Step 2: Convert to fraction form
    105,814.41/146,025.66 = 58,072.20/x
  3. Step 3: Cross multiply
    105,814.41x = 146,025.66 × 58,072.20
  4. Step 4: Simplify right side
    105,814.41x = 8,480,031,332.65
  5. Step 5: Solve for x
    x = 8,480,031,332.65/105,814.41
  6. Step 6: Final answer
    x = 80,140.61

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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.