Home / 89,281.20-133,824.60-39,352.80

Finding the Fourth Proportional to 89,281.20, 133,824.60 and 39,352.80

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Solution

The fourth proportional to 89,281.20, 133,824.60 and 39,352.80 is: 58,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,281.20 : 133,824.60 = 39,352.80 : x
  2. Step 2: Convert to fraction form
    89,281.20/133,824.60 = 39,352.80/x
  3. Step 3: Cross multiply
    89,281.20x = 133,824.60 × 39,352.80
  4. Step 4: Simplify right side
    89,281.20x = 5,266,372,718.88
  5. Step 5: Solve for x
    x = 5,266,372,718.88/89,281.20
  6. Step 6: Final answer
    x = 58,986.36

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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.