Home / 75,418.63-113,175.59-42,160.51

Finding the Fourth Proportional to 75,418.63, 113,175.59 and 42,160.51

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Solution

The fourth proportional to 75,418.63, 113,175.59 and 42,160.51 is: 63,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,418.63 : 113,175.59 = 42,160.51 : x
  2. Step 2: Convert to fraction form
    75,418.63/113,175.59 = 42,160.51/x
  3. Step 3: Cross multiply
    75,418.63x = 113,175.59 × 42,160.51
  4. Step 4: Simplify right side
    75,418.63x = 4,771,540,593.95
  5. Step 5: Solve for x
    x = 4,771,540,593.95/75,418.63
  6. Step 6: Final answer
    x = 63,267.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.