Home / 93,080.02-128,450.73-50,638.54

Finding the Fourth Proportional to 93,080.02, 128,450.73 and 50,638.54

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Solution

The fourth proportional to 93,080.02, 128,450.73 and 50,638.54 is: 69,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,080.02 : 128,450.73 = 50,638.54 : x
  2. Step 2: Convert to fraction form
    93,080.02/128,450.73 = 50,638.54/x
  3. Step 3: Cross multiply
    93,080.02x = 128,450.73 × 50,638.54
  4. Step 4: Simplify right side
    93,080.02x = 6,504,557,429.13
  5. Step 5: Solve for x
    x = 6,504,557,429.13/93,080.02
  6. Step 6: Final answer
    x = 69,881.35

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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.