Home / 93,919.56-140,873.86-30,780.87

Finding the Fourth Proportional to 93,919.56, 140,873.86 and 30,780.87

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Solution

The fourth proportional to 93,919.56, 140,873.86 and 30,780.87 is: 46,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,919.56 : 140,873.86 = 30,780.87 : x
  2. Step 2: Convert to fraction form
    93,919.56/140,873.86 = 30,780.87/x
  3. Step 3: Cross multiply
    93,919.56x = 140,873.86 × 30,780.87
  4. Step 4: Simplify right side
    93,919.56x = 4,336,219,971.06
  5. Step 5: Solve for x
    x = 4,336,219,971.06/93,919.56
  6. Step 6: Final answer
    x = 46,169.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.