Home / 75,128.77-103,677.46-41,594.77

Finding the Fourth Proportional to 75,128.77, 103,677.46 and 41,594.77

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Solution

The fourth proportional to 75,128.77, 103,677.46 and 41,594.77 is: 57,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,128.77 : 103,677.46 = 41,594.77 : x
  2. Step 2: Convert to fraction form
    75,128.77/103,677.46 = 41,594.77/x
  3. Step 3: Cross multiply
    75,128.77x = 103,677.46 × 41,594.77
  4. Step 4: Simplify right side
    75,128.77x = 4,312,440,102.88
  5. Step 5: Solve for x
    x = 4,312,440,102.88/75,128.77
  6. Step 6: Final answer
    x = 57,400.65

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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.