Home / 88,511.23-122,141.66-48,225.31

Finding the Fourth Proportional to 88,511.23, 122,141.66 and 48,225.31

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Solution

The fourth proportional to 88,511.23, 122,141.66 and 48,225.31 is: 66,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,511.23 : 122,141.66 = 48,225.31 : x
  2. Step 2: Convert to fraction form
    88,511.23/122,141.66 = 48,225.31/x
  3. Step 3: Cross multiply
    88,511.23x = 122,141.66 × 48,225.31
  4. Step 4: Simplify right side
    88,511.23x = 5,890,318,870.93
  5. Step 5: Solve for x
    x = 5,890,318,870.93/88,511.23
  6. Step 6: Final answer
    x = 66,548.83

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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.