Home / 55,635.11-76,776.53-32,985.20

Finding the Fourth Proportional to 55,635.11, 76,776.53 and 32,985.20

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Solution

The fourth proportional to 55,635.11, 76,776.53 and 32,985.20 is: 45,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,635.11 : 76,776.53 = 32,985.20 : x
  2. Step 2: Convert to fraction form
    55,635.11/76,776.53 = 32,985.20/x
  3. Step 3: Cross multiply
    55,635.11x = 76,776.53 × 32,985.20
  4. Step 4: Simplify right side
    55,635.11x = 2,532,488,648.55
  5. Step 5: Solve for x
    x = 2,532,488,648.55/55,635.11
  6. Step 6: Final answer
    x = 45,519.62

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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.