Home / 75,359.08-103,989.81-41,362.16

Finding the Fourth Proportional to 75,359.08, 103,989.81 and 41,362.16

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Solution

The fourth proportional to 75,359.08, 103,989.81 and 41,362.16 is: 57,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,359.08 : 103,989.81 = 41,362.16 : x
  2. Step 2: Convert to fraction form
    75,359.08/103,989.81 = 41,362.16/x
  3. Step 3: Cross multiply
    75,359.08x = 103,989.81 × 41,362.16
  4. Step 4: Simplify right side
    75,359.08x = 4,301,243,159.59
  5. Step 5: Solve for x
    x = 4,301,243,159.59/75,359.08
  6. Step 6: Final answer
    x = 57,076.64

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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.