Home / 82,125.64-112,594.49-80,630.92

Finding the Fourth Proportional to 82,125.64, 112,594.49 and 80,630.92

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Solution

The fourth proportional to 82,125.64, 112,594.49 and 80,630.92 is: 110,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,125.64 : 112,594.49 = 80,630.92 : x
  2. Step 2: Convert to fraction form
    82,125.64/112,594.49 = 80,630.92/x
  3. Step 3: Cross multiply
    82,125.64x = 112,594.49 × 80,630.92
  4. Step 4: Simplify right side
    82,125.64x = 9,078,597,315.63
  5. Step 5: Solve for x
    x = 9,078,597,315.63/82,125.64
  6. Step 6: Final answer
    x = 110,545.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.