Home / 93,219.66-128,639.19-50,778.54

Finding the Fourth Proportional to 93,219.66, 128,639.19 and 50,778.54

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Solution

The fourth proportional to 93,219.66, 128,639.19 and 50,778.54 is: 70,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,219.66 : 128,639.19 = 50,778.54 : x
  2. Step 2: Convert to fraction form
    93,219.66/128,639.19 = 50,778.54/x
  3. Step 3: Cross multiply
    93,219.66x = 128,639.19 × 50,778.54
  4. Step 4: Simplify right side
    93,219.66x = 6,532,110,254.98
  5. Step 5: Solve for x
    x = 6,532,110,254.98/93,219.66
  6. Step 6: Final answer
    x = 70,072.24

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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.