Home / 81,460.90-112,383.97-50,816.16

Finding the Fourth Proportional to 81,460.90, 112,383.97 and 50,816.16

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Solution

The fourth proportional to 81,460.90, 112,383.97 and 50,816.16 is: 70,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,460.90 : 112,383.97 = 50,816.16 : x
  2. Step 2: Convert to fraction form
    81,460.90/112,383.97 = 50,816.16/x
  3. Step 3: Cross multiply
    81,460.90x = 112,383.97 × 50,816.16
  4. Step 4: Simplify right side
    81,460.90x = 5,710,922,132.66
  5. Step 5: Solve for x
    x = 5,710,922,132.66/81,460.90
  6. Step 6: Final answer
    x = 70,106.30

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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.