Home / 92,478.57-138,634.54-33,272.58

Finding the Fourth Proportional to 92,478.57, 138,634.54 and 33,272.58

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Solution

The fourth proportional to 92,478.57, 138,634.54 and 33,272.58 is: 49,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,478.57 : 138,634.54 = 33,272.58 : x
  2. Step 2: Convert to fraction form
    92,478.57/138,634.54 = 33,272.58/x
  3. Step 3: Cross multiply
    92,478.57x = 138,634.54 × 33,272.58
  4. Step 4: Simplify right side
    92,478.57x = 4,612,728,666.95
  5. Step 5: Solve for x
    x = 4,612,728,666.95/92,478.57
  6. Step 6: Final answer
    x = 49,878.89

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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.