Home / 75,105.42-103,646.97-46,429.26

Finding the Fourth Proportional to 75,105.42, 103,646.97 and 46,429.26

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Solution

The fourth proportional to 75,105.42, 103,646.97 and 46,429.26 is: 64,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,105.42 : 103,646.97 = 46,429.26 : x
  2. Step 2: Convert to fraction form
    75,105.42/103,646.97 = 46,429.26/x
  3. Step 3: Cross multiply
    75,105.42x = 103,646.97 × 46,429.26
  4. Step 4: Simplify right side
    75,105.42x = 4,812,252,118.34
  5. Step 5: Solve for x
    x = 4,812,252,118.34/75,105.42
  6. Step 6: Final answer
    x = 64,073.30

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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.