Home / 75,127.16-103,672.28-41,135.04

Finding the Fourth Proportional to 75,127.16, 103,672.28 and 41,135.04

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Solution

The fourth proportional to 75,127.16, 103,672.28 and 41,135.04 is: 56,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.16 : 103,672.28 = 41,135.04 : x
  2. Step 2: Convert to fraction form
    75,127.16/103,672.28 = 41,135.04/x
  3. Step 3: Cross multiply
    75,127.16x = 103,672.28 × 41,135.04
  4. Step 4: Simplify right side
    75,127.16x = 4,264,563,384.69
  5. Step 5: Solve for x
    x = 4,264,563,384.69/75,127.16
  6. Step 6: Final answer
    x = 56,764.60

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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.