Home / 86,709.24-130,081.41-49,287.24

Finding the Fourth Proportional to 86,709.24, 130,081.41 and 49,287.24

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Solution

The fourth proportional to 86,709.24, 130,081.41 and 49,287.24 is: 73,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,709.24 : 130,081.41 = 49,287.24 : x
  2. Step 2: Convert to fraction form
    86,709.24/130,081.41 = 49,287.24/x
  3. Step 3: Cross multiply
    86,709.24x = 130,081.41 × 49,287.24
  4. Step 4: Simplify right side
    86,709.24x = 6,411,353,674.21
  5. Step 5: Solve for x
    x = 6,411,353,674.21/86,709.24
  6. Step 6: Final answer
    x = 73,940.84

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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.