Home / 96,979.51-145,463.36-46,414.48

Finding the Fourth Proportional to 96,979.51, 145,463.36 and 46,414.48

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Solution

The fourth proportional to 96,979.51, 145,463.36 and 46,414.48 is: 69,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,979.51 : 145,463.36 = 46,414.48 : x
  2. Step 2: Convert to fraction form
    96,979.51/145,463.36 = 46,414.48/x
  3. Step 3: Cross multiply
    96,979.51x = 145,463.36 × 46,414.48
  4. Step 4: Simplify right side
    96,979.51x = 6,751,605,981.38
  5. Step 5: Solve for x
    x = 6,751,605,981.38/96,979.51
  6. Step 6: Final answer
    x = 69,618.89

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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.