Home / 57,182.27-78,748.40-51,468.35

Finding the Fourth Proportional to 57,182.27, 78,748.40 and 51,468.35

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Solution

The fourth proportional to 57,182.27, 78,748.40 and 51,468.35 is: 70,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,182.27 : 78,748.40 = 51,468.35 : x
  2. Step 2: Convert to fraction form
    57,182.27/78,748.40 = 51,468.35/x
  3. Step 3: Cross multiply
    57,182.27x = 78,748.40 × 51,468.35
  4. Step 4: Simplify right side
    57,182.27x = 4,053,049,948.07
  5. Step 5: Solve for x
    x = 4,053,049,948.07/57,182.27
  6. Step 6: Final answer
    x = 70,879.49

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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.