Home / 117,333.64-161,921.58-63,618.52

Finding the Fourth Proportional to 117,333.64, 161,921.58 and 63,618.52

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Solution

The fourth proportional to 117,333.64, 161,921.58 and 63,618.52 is: 87,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,333.64 : 161,921.58 = 63,618.52 : x
  2. Step 2: Convert to fraction form
    117,333.64/161,921.58 = 63,618.52/x
  3. Step 3: Cross multiply
    117,333.64x = 161,921.58 × 63,618.52
  4. Step 4: Simplify right side
    117,333.64x = 10,301,211,275.66
  5. Step 5: Solve for x
    x = 10,301,211,275.66/117,333.64
  6. Step 6: Final answer
    x = 87,794.18

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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.