Home / 57,639.21-79,541.95-32,145.61

Finding the Fourth Proportional to 57,639.21, 79,541.95 and 32,145.61

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Solution

The fourth proportional to 57,639.21, 79,541.95 and 32,145.61 is: 44,360.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639.21 : 79,541.95 = 32,145.61 : x
  2. Step 2: Convert to fraction form
    57,639.21/79,541.95 = 32,145.61/x
  3. Step 3: Cross multiply
    57,639.21x = 79,541.95 × 32,145.61
  4. Step 4: Simplify right side
    57,639.21x = 2,556,924,503.34
  5. Step 5: Solve for x
    x = 2,556,924,503.34/57,639.21
  6. Step 6: Final answer
    x = 44,360.85

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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.