Home / 81,813.08-112,895.70-45,996.14

Finding the Fourth Proportional to 81,813.08, 112,895.70 and 45,996.14

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Solution

The fourth proportional to 81,813.08, 112,895.70 and 45,996.14 is: 63,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,813.08 : 112,895.70 = 45,996.14 : x
  2. Step 2: Convert to fraction form
    81,813.08/112,895.70 = 45,996.14/x
  3. Step 3: Cross multiply
    81,813.08x = 112,895.70 × 45,996.14
  4. Step 4: Simplify right side
    81,813.08x = 5,192,766,422.60
  5. Step 5: Solve for x
    x = 5,192,766,422.60/81,813.08
  6. Step 6: Final answer
    x = 63,471.10

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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.