Home / 75,113.04-103,656.21-41,121.82

Finding the Fourth Proportional to 75,113.04, 103,656.21 and 41,121.82

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Solution

The fourth proportional to 75,113.04, 103,656.21 and 41,121.82 is: 56,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,113.04 : 103,656.21 = 41,121.82 : x
  2. Step 2: Convert to fraction form
    75,113.04/103,656.21 = 41,121.82/x
  3. Step 3: Cross multiply
    75,113.04x = 103,656.21 × 41,121.82
  4. Step 4: Simplify right side
    75,113.04x = 4,262,532,009.50
  5. Step 5: Solve for x
    x = 4,262,532,009.50/75,113.04
  6. Step 6: Final answer
    x = 56,748.23

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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.