Home / 55,512.56-76,609.17-30,362.06

Finding the Fourth Proportional to 55,512.56, 76,609.17 and 30,362.06

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Solution

The fourth proportional to 55,512.56, 76,609.17 and 30,362.06 is: 41,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512.56 : 76,609.17 = 30,362.06 : x
  2. Step 2: Convert to fraction form
    55,512.56/76,609.17 = 30,362.06/x
  3. Step 3: Cross multiply
    55,512.56x = 76,609.17 × 30,362.06
  4. Step 4: Simplify right side
    55,512.56x = 2,326,012,407.61
  5. Step 5: Solve for x
    x = 2,326,012,407.61/55,512.56
  6. Step 6: Final answer
    x = 41,900.65

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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.