Home / 81,792.36-112,877.46-45,993.60

Finding the Fourth Proportional to 81,792.36, 112,877.46 and 45,993.60

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Solution

The fourth proportional to 81,792.36, 112,877.46 and 45,993.60 is: 63,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,792.36 : 112,877.46 = 45,993.60 : x
  2. Step 2: Convert to fraction form
    81,792.36/112,877.46 = 45,993.60/x
  3. Step 3: Cross multiply
    81,792.36x = 112,877.46 × 45,993.60
  4. Step 4: Simplify right side
    81,792.36x = 5,191,640,744.26
  5. Step 5: Solve for x
    x = 5,191,640,744.26/81,792.36
  6. Step 6: Final answer
    x = 63,473.42

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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.