Home / 86,502.77-119,377.37-54,660.05

Finding the Fourth Proportional to 86,502.77, 119,377.37 and 54,660.05

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Solution

The fourth proportional to 86,502.77, 119,377.37 and 54,660.05 is: 75,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,502.77 : 119,377.37 = 54,660.05 : x
  2. Step 2: Convert to fraction form
    86,502.77/119,377.37 = 54,660.05/x
  3. Step 3: Cross multiply
    86,502.77x = 119,377.37 × 54,660.05
  4. Step 4: Simplify right side
    86,502.77x = 6,525,173,013.07
  5. Step 5: Solve for x
    x = 6,525,173,013.07/86,502.77
  6. Step 6: Final answer
    x = 75,433.11

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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.