Home / 80,307.36-110,723.40-51,576.30

Finding the Fourth Proportional to 80,307.36, 110,723.40 and 51,576.30

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Solution

The fourth proportional to 80,307.36, 110,723.40 and 51,576.30 is: 71,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,307.36 : 110,723.40 = 51,576.30 : x
  2. Step 2: Convert to fraction form
    80,307.36/110,723.40 = 51,576.30/x
  3. Step 3: Cross multiply
    80,307.36x = 110,723.40 × 51,576.30
  4. Step 4: Simplify right side
    80,307.36x = 5,710,703,295.42
  5. Step 5: Solve for x
    x = 5,710,703,295.42/80,307.36
  6. Step 6: Final answer
    x = 71,110.58

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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.