Home / 86,783.05-130,149.06-36,862.75

Finding the Fourth Proportional to 86,783.05, 130,149.06 and 36,862.75

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Solution

The fourth proportional to 86,783.05, 130,149.06 and 36,862.75 is: 55,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,783.05 : 130,149.06 = 36,862.75 : x
  2. Step 2: Convert to fraction form
    86,783.05/130,149.06 = 36,862.75/x
  3. Step 3: Cross multiply
    86,783.05x = 130,149.06 × 36,862.75
  4. Step 4: Simplify right side
    86,783.05x = 4,797,652,261.52
  5. Step 5: Solve for x
    x = 4,797,652,261.52/86,783.05
  6. Step 6: Final answer
    x = 55,283.29

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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.