Home / 89,919.90-124,089.46-49,633.67

Finding the Fourth Proportional to 89,919.90, 124,089.46 and 49,633.67

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Solution

The fourth proportional to 89,919.90, 124,089.46 and 49,633.67 is: 68,494.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,919.90 : 124,089.46 = 49,633.67 : x
  2. Step 2: Convert to fraction form
    89,919.90/124,089.46 = 49,633.67/x
  3. Step 3: Cross multiply
    89,919.90x = 124,089.46 × 49,633.67
  4. Step 4: Simplify right side
    89,919.90x = 6,159,015,339.13
  5. Step 5: Solve for x
    x = 6,159,015,339.13/89,919.90
  6. Step 6: Final answer
    x = 68,494.47

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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.