Home / 75,273.48-103,880.82-45,053.10

Finding the Fourth Proportional to 75,273.48, 103,880.82 and 45,053.10

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Solution

The fourth proportional to 75,273.48, 103,880.82 and 45,053.10 is: 62,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,273.48 : 103,880.82 = 45,053.10 : x
  2. Step 2: Convert to fraction form
    75,273.48/103,880.82 = 45,053.10/x
  3. Step 3: Cross multiply
    75,273.48x = 103,880.82 × 45,053.10
  4. Step 4: Simplify right side
    75,273.48x = 4,680,152,971.54
  5. Step 5: Solve for x
    x = 4,680,152,971.54/75,273.48
  6. Step 6: Final answer
    x = 62,175.32

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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.