Home / 89,048.88-122,887.44-48,762.64

Finding the Fourth Proportional to 89,048.88, 122,887.44 and 48,762.64

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Solution

The fourth proportional to 89,048.88, 122,887.44 and 48,762.64 is: 67,292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048.88 : 122,887.44 = 48,762.64 : x
  2. Step 2: Convert to fraction form
    89,048.88/122,887.44 = 48,762.64/x
  3. Step 3: Cross multiply
    89,048.88x = 122,887.44 × 48,762.64
  4. Step 4: Simplify right side
    89,048.88x = 5,992,315,997.24
  5. Step 5: Solve for x
    x = 5,992,315,997.24/89,048.88
  6. Step 6: Final answer
    x = 67,292.44

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1.5x scale

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.