Home / 84,380.28-126,570.54-34,460.37

Finding the Fourth Proportional to 84,380.28, 126,570.54 and 34,460.37

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Solution

The fourth proportional to 84,380.28, 126,570.54 and 34,460.37 is: 51,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,380.28 : 126,570.54 = 34,460.37 : x
  2. Step 2: Convert to fraction form
    84,380.28/126,570.54 = 34,460.37/x
  3. Step 3: Cross multiply
    84,380.28x = 126,570.54 × 34,460.37
  4. Step 4: Simplify right side
    84,380.28x = 4,361,667,639.50
  5. Step 5: Solve for x
    x = 4,361,667,639.50/84,380.28
  6. Step 6: Final answer
    x = 51,690.60

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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.