Home / 89,030.55-122,865.26-48,744.64

Finding the Fourth Proportional to 89,030.55, 122,865.26 and 48,744.64

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Solution

The fourth proportional to 89,030.55, 122,865.26 and 48,744.64 is: 67,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,030.55 : 122,865.26 = 48,744.64 : x
  2. Step 2: Convert to fraction form
    89,030.55/122,865.26 = 48,744.64/x
  3. Step 3: Cross multiply
    89,030.55x = 122,865.26 × 48,744.64
  4. Step 4: Simplify right side
    89,030.55x = 5,989,023,171.92
  5. Step 5: Solve for x
    x = 5,989,023,171.92/89,030.55
  6. Step 6: Final answer
    x = 67,269.31

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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.