Home / 88,724.52-122,438.70-48,438.96

Finding the Fourth Proportional to 88,724.52, 122,438.70 and 48,438.96

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Solution

The fourth proportional to 88,724.52, 122,438.70 and 48,438.96 is: 66,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,724.52 : 122,438.70 = 48,438.96 : x
  2. Step 2: Convert to fraction form
    88,724.52/122,438.70 = 48,438.96/x
  3. Step 3: Cross multiply
    88,724.52x = 122,438.70 × 48,438.96
  4. Step 4: Simplify right side
    88,724.52x = 5,930,803,291.75
  5. Step 5: Solve for x
    x = 5,930,803,291.75/88,724.52
  6. Step 6: Final answer
    x = 66,845.14

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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.