Home / 81,451.24-112,364.70-51,253.22

Finding the Fourth Proportional to 81,451.24, 112,364.70 and 51,253.22

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Solution

The fourth proportional to 81,451.24, 112,364.70 and 51,253.22 is: 70,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,451.24 : 112,364.70 = 51,253.22 : x
  2. Step 2: Convert to fraction form
    81,451.24/112,364.70 = 51,253.22/x
  3. Step 3: Cross multiply
    81,451.24x = 112,364.70 × 51,253.22
  4. Step 4: Simplify right side
    81,451.24x = 5,759,052,689.33
  5. Step 5: Solve for x
    x = 5,759,052,689.33/81,451.24
  6. Step 6: Final answer
    x = 70,705.53

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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.