Home / 86,360.43-129,485.00-36,427.17

Finding the Fourth Proportional to 86,360.43, 129,485.00 and 36,427.17

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Solution

The fourth proportional to 86,360.43, 129,485.00 and 36,427.17 is: 54,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,360.43 : 129,485.00 = 36,427.17 : x
  2. Step 2: Convert to fraction form
    86,360.43/129,485.00 = 36,427.17/x
  3. Step 3: Cross multiply
    86,360.43x = 129,485.00 × 36,427.17
  4. Step 4: Simplify right side
    86,360.43x = 4,716,772,198.52
  5. Step 5: Solve for x
    x = 4,716,772,198.52/86,360.43
  6. Step 6: Final answer
    x = 54,617.28

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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.