Home / 57,010.64-78,696.68-51,031.76

Finding the Fourth Proportional to 57,010.64, 78,696.68 and 51,031.76

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Solution

The fourth proportional to 57,010.64, 78,696.68 and 51,031.76 is: 70,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,010.64 : 78,696.68 = 51,031.76 : x
  2. Step 2: Convert to fraction form
    57,010.64/78,696.68 = 51,031.76/x
  3. Step 3: Cross multiply
    57,010.64x = 78,696.68 × 51,031.76
  4. Step 4: Simplify right side
    57,010.64x = 4,016,030,086.56
  5. Step 5: Solve for x
    x = 4,016,030,086.56/57,010.64
  6. Step 6: Final answer
    x = 70,443.52

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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.