Home / 53,685.25-74,085.84-29,811.98

Finding the Fourth Proportional to 53,685.25, 74,085.84 and 29,811.98

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Solution

The fourth proportional to 53,685.25, 74,085.84 and 29,811.98 is: 41,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,685.25 : 74,085.84 = 29,811.98 : x
  2. Step 2: Convert to fraction form
    53,685.25/74,085.84 = 29,811.98/x
  3. Step 3: Cross multiply
    53,685.25x = 74,085.84 × 29,811.98
  4. Step 4: Simplify right side
    53,685.25x = 2,208,645,765.58
  5. Step 5: Solve for x
    x = 2,208,645,765.58/53,685.25
  6. Step 6: Final answer
    x = 41,140.65

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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.