Home / 86,823.06-130,201.47-30,652.71

Finding the Fourth Proportional to 86,823.06, 130,201.47 and 30,652.71

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Solution

The fourth proportional to 86,823.06, 130,201.47 and 30,652.71 is: 45,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,823.06 : 130,201.47 = 30,652.71 : x
  2. Step 2: Convert to fraction form
    86,823.06/130,201.47 = 30,652.71/x
  3. Step 3: Cross multiply
    86,823.06x = 130,201.47 × 30,652.71
  4. Step 4: Simplify right side
    86,823.06x = 3,991,027,901.48
  5. Step 5: Solve for x
    x = 3,991,027,901.48/86,823.06
  6. Step 6: Final answer
    x = 45,967.37

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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.