Home / 86,378.50-119,156.77-59,474.30

Finding the Fourth Proportional to 86,378.50, 119,156.77 and 59,474.30

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Solution

The fourth proportional to 86,378.50, 119,156.77 and 59,474.30 is: 82,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,378.50 : 119,156.77 = 59,474.30 : x
  2. Step 2: Convert to fraction form
    86,378.50/119,156.77 = 59,474.30/x
  3. Step 3: Cross multiply
    86,378.50x = 119,156.77 × 59,474.30
  4. Step 4: Simplify right side
    86,378.50x = 7,086,765,634.83
  5. Step 5: Solve for x
    x = 7,086,765,634.83/86,378.50
  6. Step 6: Final answer
    x = 82,043.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.