Home / 62,401.35-86,129.34-35,559.78

Finding the Fourth Proportional to 62,401.35, 86,129.34 and 35,559.78

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Solution

The fourth proportional to 62,401.35, 86,129.34 and 35,559.78 is: 49,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,401.35 : 86,129.34 = 35,559.78 : x
  2. Step 2: Convert to fraction form
    62,401.35/86,129.34 = 35,559.78/x
  3. Step 3: Cross multiply
    62,401.35x = 86,129.34 × 35,559.78
  4. Step 4: Simplify right side
    62,401.35x = 3,062,740,381.95
  5. Step 5: Solve for x
    x = 3,062,740,381.95/62,401.35
  6. Step 6: Final answer
    x = 49,081.32

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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.