Home / 75,117.84-103,661.16-41,584.08

Finding the Fourth Proportional to 75,117.84, 103,661.16 and 41,584.08

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Solution

The fourth proportional to 75,117.84, 103,661.16 and 41,584.08 is: 57,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,117.84 : 103,661.16 = 41,584.08 : x
  2. Step 2: Convert to fraction form
    75,117.84/103,661.16 = 41,584.08/x
  3. Step 3: Cross multiply
    75,117.84x = 103,661.16 × 41,584.08
  4. Step 4: Simplify right side
    75,117.84x = 4,310,653,970.33
  5. Step 5: Solve for x
    x = 4,310,653,970.33/75,117.84
  6. Step 6: Final answer
    x = 57,385.22

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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.