Home / 89,346.68-123,298.59-51,620.96

Finding the Fourth Proportional to 89,346.68, 123,298.59 and 51,620.96

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Solution

The fourth proportional to 89,346.68, 123,298.59 and 51,620.96 is: 71,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,346.68 : 123,298.59 = 51,620.96 : x
  2. Step 2: Convert to fraction form
    89,346.68/123,298.59 = 51,620.96/x
  3. Step 3: Cross multiply
    89,346.68x = 123,298.59 × 51,620.96
  4. Step 4: Simplify right side
    89,346.68x = 6,364,791,582.45
  5. Step 5: Solve for x
    x = 6,364,791,582.45/89,346.68
  6. Step 6: Final answer
    x = 71,237.02

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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.