Home / 75,134.10-103,681.84-41,141.97

Finding the Fourth Proportional to 75,134.10, 103,681.84 and 41,141.97

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Solution

The fourth proportional to 75,134.10, 103,681.84 and 41,141.97 is: 56,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.10 : 103,681.84 = 41,141.97 : x
  2. Step 2: Convert to fraction form
    75,134.10/103,681.84 = 41,141.97/x
  3. Step 3: Cross multiply
    75,134.10x = 103,681.84 × 41,141.97
  4. Step 4: Simplify right side
    75,134.10x = 4,265,675,150.82
  5. Step 5: Solve for x
    x = 4,265,675,150.82/75,134.10
  6. Step 6: Final answer
    x = 56,774.16

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1.5x scale

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.