Home / 81,297.96-112,204.46-55,783.26

Finding the Fourth Proportional to 81,297.96, 112,204.46 and 55,783.26

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Solution

The fourth proportional to 81,297.96, 112,204.46 and 55,783.26 is: 76,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,297.96 : 112,204.46 = 55,783.26 : x
  2. Step 2: Convert to fraction form
    81,297.96/112,204.46 = 55,783.26/x
  3. Step 3: Cross multiply
    81,297.96x = 112,204.46 × 55,783.26
  4. Step 4: Simplify right side
    81,297.96x = 6,259,130,565.34
  5. Step 5: Solve for x
    x = 6,259,130,565.34/81,297.96
  6. Step 6: Final answer
    x = 76,990.01

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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.