Home / 88,749.50-122,475.31-48,463.74

Finding the Fourth Proportional to 88,749.50, 122,475.31 and 48,463.74

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Solution

The fourth proportional to 88,749.50, 122,475.31 and 48,463.74 is: 66,880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,749.50 : 122,475.31 = 48,463.74 : x
  2. Step 2: Convert to fraction form
    88,749.50/122,475.31 = 48,463.74/x
  3. Step 3: Cross multiply
    88,749.50x = 122,475.31 × 48,463.74
  4. Step 4: Simplify right side
    88,749.50x = 5,935,611,459.10
  5. Step 5: Solve for x
    x = 5,935,611,459.10/88,749.50
  6. Step 6: Final answer
    x = 66,880.51

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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.