Home / 57,713.40-86,570.10-51,103.80

Finding the Fourth Proportional to 57,713.40, 86,570.10 and 51,103.80

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Solution

The fourth proportional to 57,713.40, 86,570.10 and 51,103.80 is: 76,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.40 : 86,570.10 = 51,103.80 : x
  2. Step 2: Convert to fraction form
    57,713.40/86,570.10 = 51,103.80/x
  3. Step 3: Cross multiply
    57,713.40x = 86,570.10 × 51,103.80
  4. Step 4: Simplify right side
    57,713.40x = 4,424,061,076.38
  5. Step 5: Solve for x
    x = 4,424,061,076.38/57,713.40
  6. Step 6: Final answer
    x = 76,655.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.