Home / 75,122.03-103,691.46-43,312.10

Finding the Fourth Proportional to 75,122.03, 103,691.46 and 43,312.10

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Solution

The fourth proportional to 75,122.03, 103,691.46 and 43,312.10 is: 59,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.03 : 103,691.46 = 43,312.10 : x
  2. Step 2: Convert to fraction form
    75,122.03/103,691.46 = 43,312.10/x
  3. Step 3: Cross multiply
    75,122.03x = 103,691.46 × 43,312.10
  4. Step 4: Simplify right side
    75,122.03x = 4,491,094,884.67
  5. Step 5: Solve for x
    x = 4,491,094,884.67/75,122.03
  6. Step 6: Final answer
    x = 59,783.99

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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.