Home / 75,137.04-103,665.60-43,301.58

Finding the Fourth Proportional to 75,137.04, 103,665.60 and 43,301.58

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Solution

The fourth proportional to 75,137.04, 103,665.60 and 43,301.58 is: 59,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,137.04 : 103,665.60 = 43,301.58 : x
  2. Step 2: Convert to fraction form
    75,137.04/103,665.60 = 43,301.58/x
  3. Step 3: Cross multiply
    75,137.04x = 103,665.60 × 43,301.58
  4. Step 4: Simplify right side
    75,137.04x = 4,488,884,271.65
  5. Step 5: Solve for x
    x = 4,488,884,271.65/75,137.04
  6. Step 6: Final answer
    x = 59,742.63

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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.