Home / 56,163.59-84,217.22-18,710.50

Finding the Fourth Proportional to 56,163.59, 84,217.22 and 18,710.50

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Solution

The fourth proportional to 56,163.59, 84,217.22 and 18,710.50 is: 28,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163.59 : 84,217.22 = 18,710.50 : x
  2. Step 2: Convert to fraction form
    56,163.59/84,217.22 = 18,710.50/x
  3. Step 3: Cross multiply
    56,163.59x = 84,217.22 × 18,710.50
  4. Step 4: Simplify right side
    56,163.59x = 1,575,745,780.17
  5. Step 5: Solve for x
    x = 1,575,745,780.17/56,163.59
  6. Step 6: Final answer
    x = 28,056.36

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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.