Home / 93,079.10-128,450.14-50,637.54

Finding the Fourth Proportional to 93,079.10, 128,450.14 and 50,637.54

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Solution

The fourth proportional to 93,079.10, 128,450.14 and 50,637.54 is: 69,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,079.10 : 128,450.14 = 50,637.54 : x
  2. Step 2: Convert to fraction form
    93,079.10/128,450.14 = 50,637.54/x
  3. Step 3: Cross multiply
    93,079.10x = 128,450.14 × 50,637.54
  4. Step 4: Simplify right side
    93,079.10x = 6,504,399,102.26
  5. Step 5: Solve for x
    x = 6,504,399,102.26/93,079.10
  6. Step 6: Final answer
    x = 69,880.34

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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.