Home / 81,224.94-111,987.65-52,496.27

Finding the Fourth Proportional to 81,224.94, 111,987.65 and 52,496.27

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Solution

The fourth proportional to 81,224.94, 111,987.65 and 52,496.27 is: 72,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,224.94 : 111,987.65 = 52,496.27 : x
  2. Step 2: Convert to fraction form
    81,224.94/111,987.65 = 52,496.27/x
  3. Step 3: Cross multiply
    81,224.94x = 111,987.65 × 52,496.27
  4. Step 4: Simplify right side
    81,224.94x = 5,878,933,911.07
  5. Step 5: Solve for x
    x = 5,878,933,911.07/81,224.94
  6. Step 6: Final answer
    x = 72,378.43

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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.