Home / 117,578.48-162,260.18-63,863.53

Finding the Fourth Proportional to 117,578.48, 162,260.18 and 63,863.53

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Solution

The fourth proportional to 117,578.48, 162,260.18 and 63,863.53 is: 88,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,578.48 : 162,260.18 = 63,863.53 : x
  2. Step 2: Convert to fraction form
    117,578.48/162,260.18 = 63,863.53/x
  3. Step 3: Cross multiply
    117,578.48x = 162,260.18 × 63,863.53
  4. Step 4: Simplify right side
    117,578.48x = 10,362,507,387.76
  5. Step 5: Solve for x
    x = 10,362,507,387.76/117,578.48
  6. Step 6: Final answer
    x = 88,132.69

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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.