Home / 86,586.15-129,696.93-44,337.84

Finding the Fourth Proportional to 86,586.15, 129,696.93 and 44,337.84

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Solution

The fourth proportional to 86,586.15, 129,696.93 and 44,337.84 is: 66,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,586.15 : 129,696.93 = 44,337.84 : x
  2. Step 2: Convert to fraction form
    86,586.15/129,696.93 = 44,337.84/x
  3. Step 3: Cross multiply
    86,586.15x = 129,696.93 × 44,337.84
  4. Step 4: Simplify right side
    86,586.15x = 5,750,481,730.83
  5. Step 5: Solve for x
    x = 5,750,481,730.83/86,586.15
  6. Step 6: Final answer
    x = 66,413.41

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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.