Home / 89,048.66-122,881.73-48,762.90

Finding the Fourth Proportional to 89,048.66, 122,881.73 and 48,762.90

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Solution

The fourth proportional to 89,048.66, 122,881.73 and 48,762.90 is: 67,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048.66 : 122,881.73 = 48,762.90 : x
  2. Step 2: Convert to fraction form
    89,048.66/122,881.73 = 48,762.90/x
  3. Step 3: Cross multiply
    89,048.66x = 122,881.73 × 48,762.90
  4. Step 4: Simplify right side
    89,048.66x = 5,992,069,268.00
  5. Step 5: Solve for x
    x = 5,992,069,268.00/89,048.66
  6. Step 6: Final answer
    x = 67,289.83

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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.