Home / 57,051.20-85,461.60-32,398.40

Finding the Fourth Proportional to 57,051.20, 85,461.60 and 32,398.40

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Solution

The fourth proportional to 57,051.20, 85,461.60 and 32,398.40 is: 48,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,051.20 : 85,461.60 = 32,398.40 : x
  2. Step 2: Convert to fraction form
    57,051.20/85,461.60 = 32,398.40/x
  3. Step 3: Cross multiply
    57,051.20x = 85,461.60 × 32,398.40
  4. Step 4: Simplify right side
    57,051.20x = 2,768,819,101.44
  5. Step 5: Solve for x
    x = 2,768,819,101.44/57,051.20
  6. Step 6: Final answer
    x = 48,532.18

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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.