Home / 75,151.35-103,685.27-43,315.83

Finding the Fourth Proportional to 75,151.35, 103,685.27 and 43,315.83

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Solution

The fourth proportional to 75,151.35, 103,685.27 and 43,315.83 is: 59,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,151.35 : 103,685.27 = 43,315.83 : x
  2. Step 2: Convert to fraction form
    75,151.35/103,685.27 = 43,315.83/x
  3. Step 3: Cross multiply
    75,151.35x = 103,685.27 × 43,315.83
  4. Step 4: Simplify right side
    75,151.35x = 4,491,213,312.24
  5. Step 5: Solve for x
    x = 4,491,213,312.24/75,151.35
  6. Step 6: Final answer
    x = 59,762.24

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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.