Home / 86,546.76-129,824.70-36,619.98

Finding the Fourth Proportional to 86,546.76, 129,824.70 and 36,619.98

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Solution

The fourth proportional to 86,546.76, 129,824.70 and 36,619.98 is: 54,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,546.76 : 129,824.70 = 36,619.98 : x
  2. Step 2: Convert to fraction form
    86,546.76/129,824.70 = 36,619.98/x
  3. Step 3: Cross multiply
    86,546.76x = 129,824.70 × 36,619.98
  4. Step 4: Simplify right side
    86,546.76x = 4,754,177,917.51
  5. Step 5: Solve for x
    x = 4,754,177,917.51/86,546.76
  6. Step 6: Final answer
    x = 54,931.90

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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.