Home / 86,453.86-129,617.76-58,303.96

Finding the Fourth Proportional to 86,453.86, 129,617.76 and 58,303.96

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Solution

The fourth proportional to 86,453.86, 129,617.76 and 58,303.96 is: 87,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,453.86 : 129,617.76 = 58,303.96 : x
  2. Step 2: Convert to fraction form
    86,453.86/129,617.76 = 58,303.96/x
  3. Step 3: Cross multiply
    86,453.86x = 129,617.76 × 58,303.96
  4. Step 4: Simplify right side
    86,453.86x = 7,557,228,694.33
  5. Step 5: Solve for x
    x = 7,557,228,694.33/86,453.86
  6. Step 6: Final answer
    x = 87,413.43

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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.