Home / 93,265.77-128,749.73-55,012.31

Finding the Fourth Proportional to 93,265.77, 128,749.73 and 55,012.31

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Solution

The fourth proportional to 93,265.77, 128,749.73 and 55,012.31 is: 75,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,265.77 : 128,749.73 = 55,012.31 : x
  2. Step 2: Convert to fraction form
    93,265.77/128,749.73 = 55,012.31/x
  3. Step 3: Cross multiply
    93,265.77x = 128,749.73 × 55,012.31
  4. Step 4: Simplify right side
    93,265.77x = 7,082,819,140.37
  5. Step 5: Solve for x
    x = 7,082,819,140.37/93,265.77
  6. Step 6: Final answer
    x = 75,942.32

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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.