Home / 86,291.50-129,250.29-41,825.23

Finding the Fourth Proportional to 86,291.50, 129,250.29 and 41,825.23

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Solution

The fourth proportional to 86,291.50, 129,250.29 and 41,825.23 is: 62,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,291.50 : 129,250.29 = 41,825.23 : x
  2. Step 2: Convert to fraction form
    86,291.50/129,250.29 = 41,825.23/x
  3. Step 3: Cross multiply
    86,291.50x = 129,250.29 × 41,825.23
  4. Step 4: Simplify right side
    86,291.50x = 5,405,923,106.82
  5. Step 5: Solve for x
    x = 5,405,923,106.82/86,291.50
  6. Step 6: Final answer
    x = 62,647.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.