Home / 75,122.24-103,670.16-43,285.76

Finding the Fourth Proportional to 75,122.24, 103,670.16 and 43,285.76

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Solution

The fourth proportional to 75,122.24, 103,670.16 and 43,285.76 is: 59,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.24 : 103,670.16 = 43,285.76 : x
  2. Step 2: Convert to fraction form
    75,122.24/103,670.16 = 43,285.76/x
  3. Step 3: Cross multiply
    75,122.24x = 103,670.16 × 43,285.76
  4. Step 4: Simplify right side
    75,122.24x = 4,487,441,664.92
  5. Step 5: Solve for x
    x = 4,487,441,664.92/75,122.24
  6. Step 6: Final answer
    x = 59,735.20

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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.