Home / 56,615.40-84,931.20-17,175.60

Finding the Fourth Proportional to 56,615.40, 84,931.20 and 17,175.60

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Solution

The fourth proportional to 56,615.40, 84,931.20 and 17,175.60 is: 25,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,615.40 : 84,931.20 = 17,175.60 : x
  2. Step 2: Convert to fraction form
    56,615.40/84,931.20 = 17,175.60/x
  3. Step 3: Cross multiply
    56,615.40x = 84,931.20 × 17,175.60
  4. Step 4: Simplify right side
    56,615.40x = 1,458,744,318.72
  5. Step 5: Solve for x
    x = 1,458,744,318.72/56,615.40
  6. Step 6: Final answer
    x = 25,765.86

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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.