Home / 80,833.01-111,433.88-56,885.27

Finding the Fourth Proportional to 80,833.01, 111,433.88 and 56,885.27

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Solution

The fourth proportional to 80,833.01, 111,433.88 and 56,885.27 is: 78,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,833.01 : 111,433.88 = 56,885.27 : x
  2. Step 2: Convert to fraction form
    80,833.01/111,433.88 = 56,885.27/x
  3. Step 3: Cross multiply
    80,833.01x = 111,433.88 × 56,885.27
  4. Step 4: Simplify right side
    80,833.01x = 6,338,946,066.52
  5. Step 5: Solve for x
    x = 6,338,946,066.52/80,833.01
  6. Step 6: Final answer
    x = 78,420.27

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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.