Home / 84,201.48-126,235.96-42,059.80

Finding the Fourth Proportional to 84,201.48, 126,235.96 and 42,059.80

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Solution

The fourth proportional to 84,201.48, 126,235.96 and 42,059.80 is: 63,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,201.48 : 126,235.96 = 42,059.80 : x
  2. Step 2: Convert to fraction form
    84,201.48/126,235.96 = 42,059.80/x
  3. Step 3: Cross multiply
    84,201.48x = 126,235.96 × 42,059.80
  4. Step 4: Simplify right side
    84,201.48x = 5,309,459,230.41
  5. Step 5: Solve for x
    x = 5,309,459,230.41/84,201.48
  6. Step 6: Final answer
    x = 63,056.60

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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.