Home / 89,873.10-124,023.68-49,588.56

Finding the Fourth Proportional to 89,873.10, 124,023.68 and 49,588.56

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Solution

The fourth proportional to 89,873.10, 124,023.68 and 49,588.56 is: 68,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,873.10 : 124,023.68 = 49,588.56 : x
  2. Step 2: Convert to fraction form
    89,873.10/124,023.68 = 49,588.56/x
  3. Step 3: Cross multiply
    89,873.10x = 124,023.68 × 49,588.56
  4. Step 4: Simplify right side
    89,873.10x = 6,150,155,697.10
  5. Step 5: Solve for x
    x = 6,150,155,697.10/89,873.10
  6. Step 6: Final answer
    x = 68,431.55

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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.