Home / 86,216.11-118,977.09-48,490.36

Finding the Fourth Proportional to 86,216.11, 118,977.09 and 48,490.36

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Solution

The fourth proportional to 86,216.11, 118,977.09 and 48,490.36 is: 66,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,216.11 : 118,977.09 = 48,490.36 : x
  2. Step 2: Convert to fraction form
    86,216.11/118,977.09 = 48,490.36/x
  3. Step 3: Cross multiply
    86,216.11x = 118,977.09 × 48,490.36
  4. Step 4: Simplify right side
    86,216.11x = 5,769,241,446.57
  5. Step 5: Solve for x
    x = 5,769,241,446.57/86,216.11
  6. Step 6: Final answer
    x = 66,916.05

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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.