Home / 55,701.58-76,861.11-31,829.80

Finding the Fourth Proportional to 55,701.58, 76,861.11 and 31,829.80

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Solution

The fourth proportional to 55,701.58, 76,861.11 and 31,829.80 is: 43,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.58 : 76,861.11 = 31,829.80 : x
  2. Step 2: Convert to fraction form
    55,701.58/76,861.11 = 31,829.80/x
  3. Step 3: Cross multiply
    55,701.58x = 76,861.11 × 31,829.80
  4. Step 4: Simplify right side
    55,701.58x = 2,446,473,759.08
  5. Step 5: Solve for x
    x = 2,446,473,759.08/55,701.58
  6. Step 6: Final answer
    x = 43,921.08

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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.