Home / 89,047.15-122,882.87-48,762.61

Finding the Fourth Proportional to 89,047.15, 122,882.87 and 48,762.61

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Solution

The fourth proportional to 89,047.15, 122,882.87 and 48,762.61 is: 67,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,047.15 : 122,882.87 = 48,762.61 : x
  2. Step 2: Convert to fraction form
    89,047.15/122,882.87 = 48,762.61/x
  3. Step 3: Cross multiply
    89,047.15x = 122,882.87 × 48,762.61
  4. Step 4: Simplify right side
    89,047.15x = 5,992,089,280.19
  5. Step 5: Solve for x
    x = 5,992,089,280.19/89,047.15
  6. Step 6: Final answer
    x = 67,291.20

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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.