Home / 84,313.73-116,407.20-54,112.07

Finding the Fourth Proportional to 84,313.73, 116,407.20 and 54,112.07

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Solution

The fourth proportional to 84,313.73, 116,407.20 and 54,112.07 is: 74,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,313.73 : 116,407.20 = 54,112.07 : x
  2. Step 2: Convert to fraction form
    84,313.73/116,407.20 = 54,112.07/x
  3. Step 3: Cross multiply
    84,313.73x = 116,407.20 × 54,112.07
  4. Step 4: Simplify right side
    84,313.73x = 6,299,034,554.90
  5. Step 5: Solve for x
    x = 6,299,034,554.90/84,313.73
  6. Step 6: Final answer
    x = 74,709.48

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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.