Home / 86,806.54-130,105.63-44,706.43

Finding the Fourth Proportional to 86,806.54, 130,105.63 and 44,706.43

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Solution

The fourth proportional to 86,806.54, 130,105.63 and 44,706.43 is: 67,005.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,806.54 : 130,105.63 = 44,706.43 : x
  2. Step 2: Convert to fraction form
    86,806.54/130,105.63 = 44,706.43/x
  3. Step 3: Cross multiply
    86,806.54x = 130,105.63 × 44,706.43
  4. Step 4: Simplify right side
    86,806.54x = 5,816,558,240.20
  5. Step 5: Solve for x
    x = 5,816,558,240.20/86,806.54
  6. Step 6: Final answer
    x = 67,005.99

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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.