Home / 57,784.12-79,740.55-32,290.70

Finding the Fourth Proportional to 57,784.12, 79,740.55 and 32,290.70

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Solution

The fourth proportional to 57,784.12, 79,740.55 and 32,290.70 is: 44,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,784.12 : 79,740.55 = 32,290.70 : x
  2. Step 2: Convert to fraction form
    57,784.12/79,740.55 = 32,290.70/x
  3. Step 3: Cross multiply
    57,784.12x = 79,740.55 × 32,290.70
  4. Step 4: Simplify right side
    57,784.12x = 2,574,877,819.55
  5. Step 5: Solve for x
    x = 2,574,877,819.55/57,784.12
  6. Step 6: Final answer
    x = 44,560.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.