Home / 75,150.59-103,709.38-41,160.51

Finding the Fourth Proportional to 75,150.59, 103,709.38 and 41,160.51

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Solution

The fourth proportional to 75,150.59, 103,709.38 and 41,160.51 is: 56,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,150.59 : 103,709.38 = 41,160.51 : x
  2. Step 2: Convert to fraction form
    75,150.59/103,709.38 = 41,160.51/x
  3. Step 3: Cross multiply
    75,150.59x = 103,709.38 × 41,160.51
  4. Step 4: Simplify right side
    75,150.59x = 4,268,730,946.86
  5. Step 5: Solve for x
    x = 4,268,730,946.86/75,150.59
  6. Step 6: Final answer
    x = 56,802.36

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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.