Home / 117,325.76-175,986.84-28,579.40

Finding the Fourth Proportional to 117,325.76, 175,986.84 and 28,579.40

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Solution

The fourth proportional to 117,325.76, 175,986.84 and 28,579.40 is: 42,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,325.76 : 175,986.84 = 28,579.40 : x
  2. Step 2: Convert to fraction form
    117,325.76/175,986.84 = 28,579.40/x
  3. Step 3: Cross multiply
    117,325.76x = 175,986.84 × 28,579.40
  4. Step 4: Simplify right side
    117,325.76x = 5,029,598,295.10
  5. Step 5: Solve for x
    x = 5,029,598,295.10/117,325.76
  6. Step 6: Final answer
    x = 42,868.66

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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.