Home / 75,041.76-103,553.28-41,043.45

Finding the Fourth Proportional to 75,041.76, 103,553.28 and 41,043.45

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Solution

The fourth proportional to 75,041.76, 103,553.28 and 41,043.45 is: 56,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,041.76 : 103,553.28 = 41,043.45 : x
  2. Step 2: Convert to fraction form
    75,041.76/103,553.28 = 41,043.45/x
  3. Step 3: Cross multiply
    75,041.76x = 103,553.28 × 41,043.45
  4. Step 4: Simplify right side
    75,041.76x = 4,250,183,870.02
  5. Step 5: Solve for x
    x = 4,250,183,870.02/75,041.76
  6. Step 6: Final answer
    x = 56,637.58

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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.