Home / 75,111-103,655.34-41,579.16

Finding the Fourth Proportional to 75,111, 103,655.34 and 41,579.16

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Solution

The fourth proportional to 75,111, 103,655.34 and 41,579.16 is: 57,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,111 : 103,655.34 = 41,579.16 : x
  2. Step 2: Convert to fraction form
    75,111/103,655.34 = 41,579.16/x
  3. Step 3: Cross multiply
    75,111x = 103,655.34 × 41,579.16
  4. Step 4: Simplify right side
    75,111x = 4,309,901,966.71
  5. Step 5: Solve for x
    x = 4,309,901,966.71/75,111
  6. Step 6: Final answer
    x = 57,380.44

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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.