Home / 86,862.68-119,813.82-54,998.36

Finding the Fourth Proportional to 86,862.68, 119,813.82 and 54,998.36

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Solution

The fourth proportional to 86,862.68, 119,813.82 and 54,998.36 is: 75,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,862.68 : 119,813.82 = 54,998.36 : x
  2. Step 2: Convert to fraction form
    86,862.68/119,813.82 = 54,998.36/x
  3. Step 3: Cross multiply
    86,862.68x = 119,813.82 × 54,998.36
  4. Step 4: Simplify right side
    86,862.68x = 6,589,563,605.34
  5. Step 5: Solve for x
    x = 6,589,563,605.34/86,862.68
  6. Step 6: Final answer
    x = 75,861.85

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1.5x scale

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.