Home / 56,089.21-84,115.60-18,639.22

Finding the Fourth Proportional to 56,089.21, 84,115.60 and 18,639.22

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Solution

The fourth proportional to 56,089.21, 84,115.60 and 18,639.22 is: 27,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,089.21 : 84,115.60 = 18,639.22 : x
  2. Step 2: Convert to fraction form
    56,089.21/84,115.60 = 18,639.22/x
  3. Step 3: Cross multiply
    56,089.21x = 84,115.60 × 18,639.22
  4. Step 4: Simplify right side
    56,089.21x = 1,567,849,173.83
  5. Step 5: Solve for x
    x = 1,567,849,173.83/56,089.21
  6. Step 6: Final answer
    x = 27,952.78

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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.