Home / 61,965.28-85,519.38-36,814.80

Finding the Fourth Proportional to 61,965.28, 85,519.38 and 36,814.80

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Solution

The fourth proportional to 61,965.28, 85,519.38 and 36,814.80 is: 50,808.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,965.28 : 85,519.38 = 36,814.80 : x
  2. Step 2: Convert to fraction form
    61,965.28/85,519.38 = 36,814.80/x
  3. Step 3: Cross multiply
    61,965.28x = 85,519.38 × 36,814.80
  4. Step 4: Simplify right side
    61,965.28x = 3,148,378,870.82
  5. Step 5: Solve for x
    x = 3,148,378,870.82/61,965.28
  6. Step 6: Final answer
    x = 50,808.76

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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.