Home / 86,664.10-130,020.45-36,768.10

Finding the Fourth Proportional to 86,664.10, 130,020.45 and 36,768.10

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Solution

The fourth proportional to 86,664.10, 130,020.45 and 36,768.10 is: 55,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,664.10 : 130,020.45 = 36,768.10 : x
  2. Step 2: Convert to fraction form
    86,664.10/130,020.45 = 36,768.10/x
  3. Step 3: Cross multiply
    86,664.10x = 130,020.45 × 36,768.10
  4. Step 4: Simplify right side
    86,664.10x = 4,780,604,907.65
  5. Step 5: Solve for x
    x = 4,780,604,907.65/86,664.10
  6. Step 6: Final answer
    x = 55,162.46

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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.