Home / 86,603.46-129,908.83-27,437.82

Finding the Fourth Proportional to 86,603.46, 129,908.83 and 27,437.82

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Solution

The fourth proportional to 86,603.46, 129,908.83 and 27,437.82 is: 41,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,603.46 : 129,908.83 = 27,437.82 : x
  2. Step 2: Convert to fraction form
    86,603.46/129,908.83 = 27,437.82/x
  3. Step 3: Cross multiply
    86,603.46x = 129,908.83 × 27,437.82
  4. Step 4: Simplify right side
    86,603.46x = 3,564,415,093.95
  5. Step 5: Solve for x
    x = 3,564,415,093.95/86,603.46
  6. Step 6: Final answer
    x = 41,157.88

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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.