Home / 88,940.90-122,741.36-48,653.74

Finding the Fourth Proportional to 88,940.90, 122,741.36 and 48,653.74

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Solution

The fourth proportional to 88,940.90, 122,741.36 and 48,653.74 is: 67,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,940.90 : 122,741.36 = 48,653.74 : x
  2. Step 2: Convert to fraction form
    88,940.90/122,741.36 = 48,653.74/x
  3. Step 3: Cross multiply
    88,940.90x = 122,741.36 × 48,653.74
  4. Step 4: Simplify right side
    88,940.90x = 5,971,826,216.69
  5. Step 5: Solve for x
    x = 5,971,826,216.69/88,940.90
  6. Step 6: Final answer
    x = 67,143.76

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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.