Home / 96,679.14-145,012.86-57,485.67

Finding the Fourth Proportional to 96,679.14, 145,012.86 and 57,485.67

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Solution

The fourth proportional to 96,679.14, 145,012.86 and 57,485.67 is: 86,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,679.14 : 145,012.86 = 57,485.67 : x
  2. Step 2: Convert to fraction form
    96,679.14/145,012.86 = 57,485.67/x
  3. Step 3: Cross multiply
    96,679.14x = 145,012.86 × 57,485.67
  4. Step 4: Simplify right side
    96,679.14x = 8,336,161,415.72
  5. Step 5: Solve for x
    x = 8,336,161,415.72/96,679.14
  6. Step 6: Final answer
    x = 86,225.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.