Home / 82,906.74-124,312.73-75,853.67

Finding the Fourth Proportional to 82,906.74, 124,312.73 and 75,853.67

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Solution

The fourth proportional to 82,906.74, 124,312.73 and 75,853.67 is: 113,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,906.74 : 124,312.73 = 75,853.67 : x
  2. Step 2: Convert to fraction form
    82,906.74/124,312.73 = 75,853.67/x
  3. Step 3: Cross multiply
    82,906.74x = 124,312.73 × 75,853.67
  4. Step 4: Simplify right side
    82,906.74x = 9,429,575,797.39
  5. Step 5: Solve for x
    x = 9,429,575,797.39/82,906.74
  6. Step 6: Final answer
    x = 113,737.14

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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.