Home / 91,751.85-126,609.04-51,457.83

Finding the Fourth Proportional to 91,751.85, 126,609.04 and 51,457.83

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Solution

The fourth proportional to 91,751.85, 126,609.04 and 51,457.83 is: 71,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,751.85 : 126,609.04 = 51,457.83 : x
  2. Step 2: Convert to fraction form
    91,751.85/126,609.04 = 51,457.83/x
  3. Step 3: Cross multiply
    91,751.85x = 126,609.04 × 51,457.83
  4. Step 4: Simplify right side
    91,751.85x = 6,515,026,046.32
  5. Step 5: Solve for x
    x = 6,515,026,046.32/91,751.85
  6. Step 6: Final answer
    x = 71,007.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.