Home / 84,205.46-126,308.79-57,830.24

Finding the Fourth Proportional to 84,205.46, 126,308.79 and 57,830.24

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Solution

The fourth proportional to 84,205.46, 126,308.79 and 57,830.24 is: 86,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,205.46 : 126,308.79 = 57,830.24 : x
  2. Step 2: Convert to fraction form
    84,205.46/126,308.79 = 57,830.24/x
  3. Step 3: Cross multiply
    84,205.46x = 126,308.79 × 57,830.24
  4. Step 4: Simplify right side
    84,205.46x = 7,304,467,008.27
  5. Step 5: Solve for x
    x = 7,304,467,008.27/84,205.46
  6. Step 6: Final answer
    x = 86,745.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.