Home / 82,860.05-114,256.36-55,955.85

Finding the Fourth Proportional to 82,860.05, 114,256.36 and 55,955.85

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Solution

The fourth proportional to 82,860.05, 114,256.36 and 55,955.85 is: 77,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,860.05 : 114,256.36 = 55,955.85 : x
  2. Step 2: Convert to fraction form
    82,860.05/114,256.36 = 55,955.85/x
  3. Step 3: Cross multiply
    82,860.05x = 114,256.36 × 55,955.85
  4. Step 4: Simplify right side
    82,860.05x = 6,393,311,159.43
  5. Step 5: Solve for x
    x = 6,393,311,159.43/82,860.05
  6. Step 6: Final answer
    x = 77,157.95

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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.