Home / 82,922.08-114,448.81-57,757

Finding the Fourth Proportional to 82,922.08, 114,448.81 and 57,757

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Solution

The fourth proportional to 82,922.08, 114,448.81 and 57,757 is: 79,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,922.08 : 114,448.81 = 57,757 : x
  2. Step 2: Convert to fraction form
    82,922.08/114,448.81 = 57,757/x
  3. Step 3: Cross multiply
    82,922.08x = 114,448.81 × 57,757
  4. Step 4: Simplify right side
    82,922.08x = 6,610,219,630.39
  5. Step 5: Solve for x
    x = 6,610,219,630.39/82,922.08
  6. Step 6: Final answer
    x = 79,716.04

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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.