Home / 75,108.04-103,672.14-43,298.10

Finding the Fourth Proportional to 75,108.04, 103,672.14 and 43,298.10

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Solution

The fourth proportional to 75,108.04, 103,672.14 and 43,298.10 is: 59,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,108.04 : 103,672.14 = 43,298.10 : x
  2. Step 2: Convert to fraction form
    75,108.04/103,672.14 = 43,298.10/x
  3. Step 3: Cross multiply
    75,108.04x = 103,672.14 × 43,298.10
  4. Step 4: Simplify right side
    75,108.04x = 4,488,806,684.93
  5. Step 5: Solve for x
    x = 4,488,806,684.93/75,108.04
  6. Step 6: Final answer
    x = 59,764.66

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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.