Home / 81,560.94-112,546.54-45,744.04

Finding the Fourth Proportional to 81,560.94, 112,546.54 and 45,744.04

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Solution

The fourth proportional to 81,560.94, 112,546.54 and 45,744.04 is: 63,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,560.94 : 112,546.54 = 45,744.04 : x
  2. Step 2: Convert to fraction form
    81,560.94/112,546.54 = 45,744.04/x
  3. Step 3: Cross multiply
    81,560.94x = 112,546.54 × 45,744.04
  4. Step 4: Simplify right side
    81,560.94x = 5,148,333,427.62
  5. Step 5: Solve for x
    x = 5,148,333,427.62/81,560.94
  6. Step 6: Final answer
    x = 63,122.54

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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.