Home / 84,608.76-116,707.12-54,433.36

Finding the Fourth Proportional to 84,608.76, 116,707.12 and 54,433.36

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Solution

The fourth proportional to 84,608.76, 116,707.12 and 54,433.36 is: 75,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,608.76 : 116,707.12 = 54,433.36 : x
  2. Step 2: Convert to fraction form
    84,608.76/116,707.12 = 54,433.36/x
  3. Step 3: Cross multiply
    84,608.76x = 116,707.12 × 54,433.36
  4. Step 4: Simplify right side
    84,608.76x = 6,352,760,677.52
  5. Step 5: Solve for x
    x = 6,352,760,677.52/84,608.76
  6. Step 6: Final answer
    x = 75,083.96

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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.