Home / 75,144.23-103,673.86-43,312.44

Finding the Fourth Proportional to 75,144.23, 103,673.86 and 43,312.44

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Solution

The fourth proportional to 75,144.23, 103,673.86 and 43,312.44 is: 59,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,144.23 : 103,673.86 = 43,312.44 : x
  2. Step 2: Convert to fraction form
    75,144.23/103,673.86 = 43,312.44/x
  3. Step 3: Cross multiply
    75,144.23x = 103,673.86 × 43,312.44
  4. Step 4: Simplify right side
    75,144.23x = 4,490,367,624.26
  5. Step 5: Solve for x
    x = 4,490,367,624.26/75,144.23
  6. Step 6: Final answer
    x = 59,756.66

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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.