Home / 88,688.10-122,385.08-48,401.54

Finding the Fourth Proportional to 88,688.10, 122,385.08 and 48,401.54

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Solution

The fourth proportional to 88,688.10, 122,385.08 and 48,401.54 is: 66,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,688.10 : 122,385.08 = 48,401.54 : x
  2. Step 2: Convert to fraction form
    88,688.10/122,385.08 = 48,401.54/x
  3. Step 3: Cross multiply
    88,688.10x = 122,385.08 × 48,401.54
  4. Step 4: Simplify right side
    88,688.10x = 5,923,626,345.02
  5. Step 5: Solve for x
    x = 5,923,626,345.02/88,688.10
  6. Step 6: Final answer
    x = 66,791.67

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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.