Home / 82,559.42-113,966.88-55,738.26

Finding the Fourth Proportional to 82,559.42, 113,966.88 and 55,738.26

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Solution

The fourth proportional to 82,559.42, 113,966.88 and 55,738.26 is: 76,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,559.42 : 113,966.88 = 55,738.26 : x
  2. Step 2: Convert to fraction form
    82,559.42/113,966.88 = 55,738.26/x
  3. Step 3: Cross multiply
    82,559.42x = 113,966.88 × 55,738.26
  4. Step 4: Simplify right side
    82,559.42x = 6,352,315,159.01
  5. Step 5: Solve for x
    x = 6,352,315,159.01/82,559.42
  6. Step 6: Final answer
    x = 76,942.34

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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.