Home / 57,217.60-85,826.40-17,774.40

Finding the Fourth Proportional to 57,217.60, 85,826.40 and 17,774.40

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Solution

The fourth proportional to 57,217.60, 85,826.40 and 17,774.40 is: 26,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217.60 : 85,826.40 = 17,774.40 : x
  2. Step 2: Convert to fraction form
    57,217.60/85,826.40 = 17,774.40/x
  3. Step 3: Cross multiply
    57,217.60x = 85,826.40 × 17,774.40
  4. Step 4: Simplify right side
    57,217.60x = 1,525,512,764.16
  5. Step 5: Solve for x
    x = 1,525,512,764.16/57,217.60
  6. Step 6: Final answer
    x = 26,661.60

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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.