Home / 117,585.08-162,262.74-63,869

Finding the Fourth Proportional to 117,585.08, 162,262.74 and 63,869

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Solution

The fourth proportional to 117,585.08, 162,262.74 and 63,869 is: 88,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,585.08 : 162,262.74 = 63,869 : x
  2. Step 2: Convert to fraction form
    117,585.08/162,262.74 = 63,869/x
  3. Step 3: Cross multiply
    117,585.08x = 162,262.74 × 63,869
  4. Step 4: Simplify right side
    117,585.08x = 10,363,558,941.06
  5. Step 5: Solve for x
    x = 10,363,558,941.06/117,585.08
  6. Step 6: Final answer
    x = 88,136.68

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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.