Home / 101,050.12-139,447.74-58,615.84

Finding the Fourth Proportional to 101,050.12, 139,447.74 and 58,615.84

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Solution

The fourth proportional to 101,050.12, 139,447.74 and 58,615.84 is: 80,889.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,050.12 : 139,447.74 = 58,615.84 : x
  2. Step 2: Convert to fraction form
    101,050.12/139,447.74 = 58,615.84/x
  3. Step 3: Cross multiply
    101,050.12x = 139,447.74 × 58,615.84
  4. Step 4: Simplify right side
    101,050.12x = 8,173,846,416.20
  5. Step 5: Solve for x
    x = 8,173,846,416.20/101,050.12
  6. Step 6: Final answer
    x = 80,889.03

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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.