Home / 80,825.65-111,548.11-44,530.80

Finding the Fourth Proportional to 80,825.65, 111,548.11 and 44,530.80

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Solution

The fourth proportional to 80,825.65, 111,548.11 and 44,530.80 is: 61,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,825.65 : 111,548.11 = 44,530.80 : x
  2. Step 2: Convert to fraction form
    80,825.65/111,548.11 = 44,530.80/x
  3. Step 3: Cross multiply
    80,825.65x = 111,548.11 × 44,530.80
  4. Step 4: Simplify right side
    80,825.65x = 4,967,326,576.79
  5. Step 5: Solve for x
    x = 4,967,326,576.79/80,825.65
  6. Step 6: Final answer
    x = 61,457.31

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1.5x scale

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.