Home / 92,176.14-138,338.03-42,279.74

Finding the Fourth Proportional to 92,176.14, 138,338.03 and 42,279.74

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Solution

The fourth proportional to 92,176.14, 138,338.03 and 42,279.74 is: 63,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,176.14 : 138,338.03 = 42,279.74 : x
  2. Step 2: Convert to fraction form
    92,176.14/138,338.03 = 42,279.74/x
  3. Step 3: Cross multiply
    92,176.14x = 138,338.03 × 42,279.74
  4. Step 4: Simplify right side
    92,176.14x = 5,848,895,940.51
  5. Step 5: Solve for x
    x = 5,848,895,940.51/92,176.14
  6. Step 6: Final answer
    x = 63,453.47

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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.