Home / 57,106.10-85,659.15-51,274.10

Finding the Fourth Proportional to 57,106.10, 85,659.15 and 51,274.10

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Solution

The fourth proportional to 57,106.10, 85,659.15 and 51,274.10 is: 76,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,106.10 : 85,659.15 = 51,274.10 : x
  2. Step 2: Convert to fraction form
    57,106.10/85,659.15 = 51,274.10/x
  3. Step 3: Cross multiply
    57,106.10x = 85,659.15 × 51,274.10
  4. Step 4: Simplify right side
    57,106.10x = 4,392,095,823.02
  5. Step 5: Solve for x
    x = 4,392,095,823.02/57,106.10
  6. Step 6: Final answer
    x = 76,911.15

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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.