Home / 97,245.06-145,922.91-77,648.14

Finding the Fourth Proportional to 97,245.06, 145,922.91 and 77,648.14

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Solution

The fourth proportional to 97,245.06, 145,922.91 and 77,648.14 is: 116,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,245.06 : 145,922.91 = 77,648.14 : x
  2. Step 2: Convert to fraction form
    97,245.06/145,922.91 = 77,648.14/x
  3. Step 3: Cross multiply
    97,245.06x = 145,922.91 × 77,648.14
  4. Step 4: Simplify right side
    97,245.06x = 11,330,642,544.89
  5. Step 5: Solve for x
    x = 11,330,642,544.89/97,245.06
  6. Step 6: Final answer
    x = 116,516.38

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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.