Home / 57,152.47-78,853.34-36,977.39

Finding the Fourth Proportional to 57,152.47, 78,853.34 and 36,977.39

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Solution

The fourth proportional to 57,152.47, 78,853.34 and 36,977.39 is: 51,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,152.47 : 78,853.34 = 36,977.39 : x
  2. Step 2: Convert to fraction form
    57,152.47/78,853.34 = 36,977.39/x
  3. Step 3: Cross multiply
    57,152.47x = 78,853.34 × 36,977.39
  4. Step 4: Simplify right side
    57,152.47x = 2,915,790,521.10
  5. Step 5: Solve for x
    x = 2,915,790,521.10/57,152.47
  6. Step 6: Final answer
    x = 51,017.76

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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.