Home / 86,986.76-130,459.79-49,052.41

Finding the Fourth Proportional to 86,986.76, 130,459.79 and 49,052.41

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Solution

The fourth proportional to 86,986.76, 130,459.79 and 49,052.41 is: 73,567.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,986.76 : 130,459.79 = 49,052.41 : x
  2. Step 2: Convert to fraction form
    86,986.76/130,459.79 = 49,052.41/x
  3. Step 3: Cross multiply
    86,986.76x = 130,459.79 × 49,052.41
  4. Step 4: Simplify right side
    86,986.76x = 6,399,367,133.03
  5. Step 5: Solve for x
    x = 6,399,367,133.03/86,986.76
  6. Step 6: Final answer
    x = 73,567.14

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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.