Home / 53,886.97-74,356.40-30,602.61

Finding the Fourth Proportional to 53,886.97, 74,356.40 and 30,602.61

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Solution

The fourth proportional to 53,886.97, 74,356.40 and 30,602.61 is: 42,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.97 : 74,356.40 = 30,602.61 : x
  2. Step 2: Convert to fraction form
    53,886.97/74,356.40 = 30,602.61/x
  3. Step 3: Cross multiply
    53,886.97x = 74,356.40 × 30,602.61
  4. Step 4: Simplify right side
    53,886.97x = 2,275,499,814.57
  5. Step 5: Solve for x
    x = 2,275,499,814.57/53,886.97
  6. Step 6: Final answer
    x = 42,227.27

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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.