Home / 57,686.12-86,529.18-16,133.12

Finding the Fourth Proportional to 57,686.12, 86,529.18 and 16,133.12

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Solution

The fourth proportional to 57,686.12, 86,529.18 and 16,133.12 is: 24,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,686.12 : 86,529.18 = 16,133.12 : x
  2. Step 2: Convert to fraction form
    57,686.12/86,529.18 = 16,133.12/x
  3. Step 3: Cross multiply
    57,686.12x = 86,529.18 × 16,133.12
  4. Step 4: Simplify right side
    57,686.12x = 1,395,985,644.44
  5. Step 5: Solve for x
    x = 1,395,985,644.44/57,686.12
  6. Step 6: Final answer
    x = 24,199.68

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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.