Home / 86,276.60-129,395.45-33,659.00

Finding the Fourth Proportional to 86,276.60, 129,395.45 and 33,659.00

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Solution

The fourth proportional to 86,276.60, 129,395.45 and 33,659.00 is: 50,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,276.60 : 129,395.45 = 33,659.00 : x
  2. Step 2: Convert to fraction form
    86,276.60/129,395.45 = 33,659.00/x
  3. Step 3: Cross multiply
    86,276.60x = 129,395.45 × 33,659.00
  4. Step 4: Simplify right side
    86,276.60x = 4,355,320,804.57
  5. Step 5: Solve for x
    x = 4,355,320,804.57/86,276.60
  6. Step 6: Final answer
    x = 50,480.91

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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.