Home / 86,739.35-130,004.91-44,639.30

Finding the Fourth Proportional to 86,739.35, 130,004.91 and 44,639.30

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Solution

The fourth proportional to 86,739.35, 130,004.91 and 44,639.30 is: 66,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,739.35 : 130,004.91 = 44,639.30 : x
  2. Step 2: Convert to fraction form
    86,739.35/130,004.91 = 44,639.30/x
  3. Step 3: Cross multiply
    86,739.35x = 130,004.91 × 44,639.30
  4. Step 4: Simplify right side
    86,739.35x = 5,803,327,528.94
  5. Step 5: Solve for x
    x = 5,803,327,528.94/86,739.35
  6. Step 6: Final answer
    x = 66,905.36

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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.