Home / 57,329.40-85,994.10-51,205.80

Finding the Fourth Proportional to 57,329.40, 85,994.10 and 51,205.80

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Solution

The fourth proportional to 57,329.40, 85,994.10 and 51,205.80 is: 76,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,329.40 : 85,994.10 = 51,205.80 : x
  2. Step 2: Convert to fraction form
    57,329.40/85,994.10 = 51,205.80/x
  3. Step 3: Cross multiply
    57,329.40x = 85,994.10 × 51,205.80
  4. Step 4: Simplify right side
    57,329.40x = 4,403,396,685.78
  5. Step 5: Solve for x
    x = 4,403,396,685.78/57,329.40
  6. Step 6: Final answer
    x = 76,808.70

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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.