Home / 89,051.81-122,889.69-48,763.62

Finding the Fourth Proportional to 89,051.81, 122,889.69 and 48,763.62

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Solution

The fourth proportional to 89,051.81, 122,889.69 and 48,763.62 is: 67,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,051.81 : 122,889.69 = 48,763.62 : x
  2. Step 2: Convert to fraction form
    89,051.81/122,889.69 = 48,763.62/x
  3. Step 3: Cross multiply
    89,051.81x = 122,889.69 × 48,763.62
  4. Step 4: Simplify right side
    89,051.81x = 5,992,546,145.08
  5. Step 5: Solve for x
    x = 5,992,546,145.08/89,051.81
  6. Step 6: Final answer
    x = 67,292.81

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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.