Home / 56,272.20-84,421.10-32,886.60

Finding the Fourth Proportional to 56,272.20, 84,421.10 and 32,886.60

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Solution

The fourth proportional to 56,272.20, 84,421.10 and 32,886.60 is: 49,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,272.20 : 84,421.10 = 32,886.60 : x
  2. Step 2: Convert to fraction form
    56,272.20/84,421.10 = 32,886.60/x
  3. Step 3: Cross multiply
    56,272.20x = 84,421.10 × 32,886.60
  4. Step 4: Simplify right side
    56,272.20x = 2,776,322,947.26
  5. Step 5: Solve for x
    x = 2,776,322,947.26/56,272.20
  6. Step 6: Final answer
    x = 49,337.38

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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.