Home / 80,350.37-110,754.91-63,326.40

Finding the Fourth Proportional to 80,350.37, 110,754.91 and 63,326.40

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Solution

The fourth proportional to 80,350.37, 110,754.91 and 63,326.40 is: 87,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,350.37 : 110,754.91 = 63,326.40 : x
  2. Step 2: Convert to fraction form
    80,350.37/110,754.91 = 63,326.40/x
  3. Step 3: Cross multiply
    80,350.37x = 110,754.91 × 63,326.40
  4. Step 4: Simplify right side
    80,350.37x = 7,013,709,732.62
  5. Step 5: Solve for x
    x = 7,013,709,732.62/80,350.37
  6. Step 6: Final answer
    x = 87,289.08

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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.