Home / 105,161.91-145,126.64-59,846.41

Finding the Fourth Proportional to 105,161.91, 145,126.64 and 59,846.41

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Solution

The fourth proportional to 105,161.91, 145,126.64 and 59,846.41 is: 82,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,161.91 : 145,126.64 = 59,846.41 : x
  2. Step 2: Convert to fraction form
    105,161.91/145,126.64 = 59,846.41/x
  3. Step 3: Cross multiply
    105,161.91x = 145,126.64 × 59,846.41
  4. Step 4: Simplify right side
    105,161.91x = 8,685,308,393.75
  5. Step 5: Solve for x
    x = 8,685,308,393.75/105,161.91
  6. Step 6: Final answer
    x = 82,589.87

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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.