Home / 55,757.24-76,885.98-39,835.88

Finding the Fourth Proportional to 55,757.24, 76,885.98 and 39,835.88

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Solution

The fourth proportional to 55,757.24, 76,885.98 and 39,835.88 is: 54,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,757.24 : 76,885.98 = 39,835.88 : x
  2. Step 2: Convert to fraction form
    55,757.24/76,885.98 = 39,835.88/x
  3. Step 3: Cross multiply
    55,757.24x = 76,885.98 × 39,835.88
  4. Step 4: Simplify right side
    55,757.24x = 3,062,820,672.96
  5. Step 5: Solve for x
    x = 3,062,820,672.96/55,757.24
  6. Step 6: Final answer
    x = 54,931.35

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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.