Home / 75,141.21-112,637.69-41,876.94

Finding the Fourth Proportional to 75,141.21, 112,637.69 and 41,876.94

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Solution

The fourth proportional to 75,141.21, 112,637.69 and 41,876.94 is: 62,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,141.21 : 112,637.69 = 41,876.94 : x
  2. Step 2: Convert to fraction form
    75,141.21/112,637.69 = 41,876.94/x
  3. Step 3: Cross multiply
    75,141.21x = 112,637.69 × 41,876.94
  4. Step 4: Simplify right side
    75,141.21x = 4,716,921,785.87
  5. Step 5: Solve for x
    x = 4,716,921,785.87/75,141.21
  6. Step 6: Final answer
    x = 62,774.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.