Home / 89,241.84-123,157.44-51,007.68

Finding the Fourth Proportional to 89,241.84, 123,157.44 and 51,007.68

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Solution

The fourth proportional to 89,241.84, 123,157.44 and 51,007.68 is: 70,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,241.84 : 123,157.44 = 51,007.68 : x
  2. Step 2: Convert to fraction form
    89,241.84/123,157.44 = 51,007.68/x
  3. Step 3: Cross multiply
    89,241.84x = 123,157.44 × 51,007.68
  4. Step 4: Simplify right side
    89,241.84x = 6,281,975,289.14
  5. Step 5: Solve for x
    x = 6,281,975,289.14/89,241.84
  6. Step 6: Final answer
    x = 70,392.71

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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.