Home / 86,093.16-129,147.18-23,763.66

Finding the Fourth Proportional to 86,093.16, 129,147.18 and 23,763.66

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Solution

The fourth proportional to 86,093.16, 129,147.18 and 23,763.66 is: 35,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,093.16 : 129,147.18 = 23,763.66 : x
  2. Step 2: Convert to fraction form
    86,093.16/129,147.18 = 23,763.66/x
  3. Step 3: Cross multiply
    86,093.16x = 129,147.18 × 23,763.66
  4. Step 4: Simplify right side
    86,093.16x = 3,069,009,675.48
  5. Step 5: Solve for x
    x = 3,069,009,675.48/86,093.16
  6. Step 6: Final answer
    x = 35,647.54

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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.