Home / 117,844.98-162,579.60-87,292.50

Finding the Fourth Proportional to 117,844.98, 162,579.60 and 87,292.50

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Solution

The fourth proportional to 117,844.98, 162,579.60 and 87,292.50 is: 120,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,844.98 : 162,579.60 = 87,292.50 : x
  2. Step 2: Convert to fraction form
    117,844.98/162,579.60 = 87,292.50/x
  3. Step 3: Cross multiply
    117,844.98x = 162,579.60 × 87,292.50
  4. Step 4: Simplify right side
    117,844.98x = 14,191,979,733
  5. Step 5: Solve for x
    x = 14,191,979,733/117,844.98
  6. Step 6: Final answer
    x = 120,429.23

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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.