Home / 93,027.51-128,383.57-54,812.53

Finding the Fourth Proportional to 93,027.51, 128,383.57 and 54,812.53

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Solution

The fourth proportional to 93,027.51, 128,383.57 and 54,812.53 is: 75,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,027.51 : 128,383.57 = 54,812.53 : x
  2. Step 2: Convert to fraction form
    93,027.51/128,383.57 = 54,812.53/x
  3. Step 3: Cross multiply
    93,027.51x = 128,383.57 × 54,812.53
  4. Step 4: Simplify right side
    93,027.51x = 7,037,028,308.15
  5. Step 5: Solve for x
    x = 7,037,028,308.15/93,027.51
  6. Step 6: Final answer
    x = 75,644.59

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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.