Home / 81,733.45-112,792.26-45,923.44

Finding the Fourth Proportional to 81,733.45, 112,792.26 and 45,923.44

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Solution

The fourth proportional to 81,733.45, 112,792.26 and 45,923.44 is: 63,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,733.45 : 112,792.26 = 45,923.44 : x
  2. Step 2: Convert to fraction form
    81,733.45/112,792.26 = 45,923.44/x
  3. Step 3: Cross multiply
    81,733.45x = 112,792.26 × 45,923.44
  4. Step 4: Simplify right side
    81,733.45x = 5,179,808,584.57
  5. Step 5: Solve for x
    x = 5,179,808,584.57/81,733.45
  6. Step 6: Final answer
    x = 63,374.40

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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.