Home / 92,555.95-127,631.74-79,171.51

Finding the Fourth Proportional to 92,555.95, 127,631.74 and 79,171.51

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Solution

The fourth proportional to 92,555.95, 127,631.74 and 79,171.51 is: 109,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,555.95 : 127,631.74 = 79,171.51 : x
  2. Step 2: Convert to fraction form
    92,555.95/127,631.74 = 79,171.51/x
  3. Step 3: Cross multiply
    92,555.95x = 127,631.74 × 79,171.51
  4. Step 4: Simplify right side
    92,555.95x = 10,104,797,579.73
  5. Step 5: Solve for x
    x = 10,104,797,579.73/92,555.95
  6. Step 6: Final answer
    x = 109,175.02

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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.