Home / 92,537.32-138,644.70-55,519.72

Finding the Fourth Proportional to 92,537.32, 138,644.70 and 55,519.72

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Solution

The fourth proportional to 92,537.32, 138,644.70 and 55,519.72 is: 83,182.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,537.32 : 138,644.70 = 55,519.72 : x
  2. Step 2: Convert to fraction form
    92,537.32/138,644.70 = 55,519.72/x
  3. Step 3: Cross multiply
    92,537.32x = 138,644.70 × 55,519.72
  4. Step 4: Simplify right side
    92,537.32x = 7,697,514,923.48
  5. Step 5: Solve for x
    x = 7,697,514,923.48/92,537.32
  6. Step 6: Final answer
    x = 83,182.82

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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.