Home / 82,820.79-114,263.57-54,157.23

Finding the Fourth Proportional to 82,820.79, 114,263.57 and 54,157.23

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Solution

The fourth proportional to 82,820.79, 114,263.57 and 54,157.23 is: 74,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,820.79 : 114,263.57 = 54,157.23 : x
  2. Step 2: Convert to fraction form
    82,820.79/114,263.57 = 54,157.23/x
  3. Step 3: Cross multiply
    82,820.79x = 114,263.57 × 54,157.23
  4. Step 4: Simplify right side
    82,820.79x = 6,188,198,170.32
  5. Step 5: Solve for x
    x = 6,188,198,170.32/82,820.79
  6. Step 6: Final answer
    x = 74,717.93

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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.