Home / 54,719.51-75,512.80-29,569.01

Finding the Fourth Proportional to 54,719.51, 75,512.80 and 29,569.01

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Solution

The fourth proportional to 54,719.51, 75,512.80 and 29,569.01 is: 40,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,719.51 : 75,512.80 = 29,569.01 : x
  2. Step 2: Convert to fraction form
    54,719.51/75,512.80 = 29,569.01/x
  3. Step 3: Cross multiply
    54,719.51x = 75,512.80 × 29,569.01
  4. Step 4: Simplify right side
    54,719.51x = 2,232,838,738.33
  5. Step 5: Solve for x
    x = 2,232,838,738.33/54,719.51
  6. Step 6: Final answer
    x = 40,805.17

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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.