Home / 89,027.12-122,858.88-48,740.22

Finding the Fourth Proportional to 89,027.12, 122,858.88 and 48,740.22

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Solution

The fourth proportional to 89,027.12, 122,858.88 and 48,740.22 is: 67,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,027.12 : 122,858.88 = 48,740.22 : x
  2. Step 2: Convert to fraction form
    89,027.12/122,858.88 = 48,740.22/x
  3. Step 3: Cross multiply
    89,027.12x = 122,858.88 × 48,740.22
  4. Step 4: Simplify right side
    89,027.12x = 5,988,168,840.15
  5. Step 5: Solve for x
    x = 5,988,168,840.15/89,027.12
  6. Step 6: Final answer
    x = 67,262.30

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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.