Home / 64,505.13-96,719.84-19,512.97

Finding the Fourth Proportional to 64,505.13, 96,719.84 and 19,512.97

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Solution

The fourth proportional to 64,505.13, 96,719.84 and 19,512.97 is: 29,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,505.13 : 96,719.84 = 19,512.97 : x
  2. Step 2: Convert to fraction form
    64,505.13/96,719.84 = 19,512.97/x
  3. Step 3: Cross multiply
    64,505.13x = 96,719.84 × 19,512.97
  4. Step 4: Simplify right side
    64,505.13x = 1,887,291,070.13
  5. Step 5: Solve for x
    x = 1,887,291,070.13/64,505.13
  6. Step 6: Final answer
    x = 29,258.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.