Home / 93,410.19-128,906.57-50,969.64

Finding the Fourth Proportional to 93,410.19, 128,906.57 and 50,969.64

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Solution

The fourth proportional to 93,410.19, 128,906.57 and 50,969.64 is: 70,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,410.19 : 128,906.57 = 50,969.64 : x
  2. Step 2: Convert to fraction form
    93,410.19/128,906.57 = 50,969.64/x
  3. Step 3: Cross multiply
    93,410.19x = 128,906.57 × 50,969.64
  4. Step 4: Simplify right side
    93,410.19x = 6,570,321,466.53
  5. Step 5: Solve for x
    x = 6,570,321,466.53/93,410.19
  6. Step 6: Final answer
    x = 70,338.38

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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.