Home / 93,231.73-128,659.55-50,790.16

Finding the Fourth Proportional to 93,231.73, 128,659.55 and 50,790.16

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Solution

The fourth proportional to 93,231.73, 128,659.55 and 50,790.16 is: 70,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,231.73 : 128,659.55 = 50,790.16 : x
  2. Step 2: Convert to fraction form
    93,231.73/128,659.55 = 50,790.16/x
  3. Step 3: Cross multiply
    93,231.73x = 128,659.55 × 50,790.16
  4. Step 4: Simplify right side
    93,231.73x = 6,534,639,130.03
  5. Step 5: Solve for x
    x = 6,534,639,130.03/93,231.73
  6. Step 6: Final answer
    x = 70,090.29

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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.