Home / 86,418.66-119,267.37-54,586.02

Finding the Fourth Proportional to 86,418.66, 119,267.37 and 54,586.02

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Solution

The fourth proportional to 86,418.66, 119,267.37 and 54,586.02 is: 75,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,418.66 : 119,267.37 = 54,586.02 : x
  2. Step 2: Convert to fraction form
    86,418.66/119,267.37 = 54,586.02/x
  3. Step 3: Cross multiply
    86,418.66x = 119,267.37 × 54,586.02
  4. Step 4: Simplify right side
    86,418.66x = 6,510,331,044.17
  5. Step 5: Solve for x
    x = 6,510,331,044.17/86,418.66
  6. Step 6: Final answer
    x = 75,334.78

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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.