Home / 53,820.12-74,251.71-33,669.35

Finding the Fourth Proportional to 53,820.12, 74,251.71 and 33,669.35

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Solution

The fourth proportional to 53,820.12, 74,251.71 and 33,669.35 is: 46,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,820.12 : 74,251.71 = 33,669.35 : x
  2. Step 2: Convert to fraction form
    53,820.12/74,251.71 = 33,669.35/x
  3. Step 3: Cross multiply
    53,820.12x = 74,251.71 × 33,669.35
  4. Step 4: Simplify right side
    53,820.12x = 2,500,006,812.09
  5. Step 5: Solve for x
    x = 2,500,006,812.09/53,820.12
  6. Step 6: Final answer
    x = 46,451.16

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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.