Home / 117,837.13-162,618.69-64,125.64

Finding the Fourth Proportional to 117,837.13, 162,618.69 and 64,125.64

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Solution

The fourth proportional to 117,837.13, 162,618.69 and 64,125.64 is: 88,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,837.13 : 162,618.69 = 64,125.64 : x
  2. Step 2: Convert to fraction form
    117,837.13/162,618.69 = 64,125.64/x
  3. Step 3: Cross multiply
    117,837.13x = 162,618.69 × 64,125.64
  4. Step 4: Simplify right side
    117,837.13x = 10,428,027,572.21
  5. Step 5: Solve for x
    x = 10,428,027,572.21/117,837.13
  6. Step 6: Final answer
    x = 88,495.26

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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.