Home / 89,026.76-122,858.39-48,739.84

Finding the Fourth Proportional to 89,026.76, 122,858.39 and 48,739.84

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Solution

The fourth proportional to 89,026.76, 122,858.39 and 48,739.84 is: 67,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,026.76 : 122,858.39 = 48,739.84 : x
  2. Step 2: Convert to fraction form
    89,026.76/122,858.39 = 48,739.84/x
  3. Step 3: Cross multiply
    89,026.76x = 122,858.39 × 48,739.84
  4. Step 4: Simplify right side
    89,026.76x = 5,988,098,271.26
  5. Step 5: Solve for x
    x = 5,988,098,271.26/89,026.76
  6. Step 6: Final answer
    x = 67,261.78

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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.