Home / 74,757.36-103,159.92-42,056.64

Finding the Fourth Proportional to 74,757.36, 103,159.92 and 42,056.64

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Solution

The fourth proportional to 74,757.36, 103,159.92 and 42,056.64 is: 58,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,757.36 : 103,159.92 = 42,056.64 : x
  2. Step 2: Convert to fraction form
    74,757.36/103,159.92 = 42,056.64/x
  3. Step 3: Cross multiply
    74,757.36x = 103,159.92 × 42,056.64
  4. Step 4: Simplify right side
    74,757.36x = 4,338,559,617.87
  5. Step 5: Solve for x
    x = 4,338,559,617.87/74,757.36
  6. Step 6: Final answer
    x = 58,035.22

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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.