Home / 75,782.76-113,670.10-23,192.28

Finding the Fourth Proportional to 75,782.76, 113,670.10 and 23,192.28

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Solution

The fourth proportional to 75,782.76, 113,670.10 and 23,192.28 is: 34,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,782.76 : 113,670.10 = 23,192.28 : x
  2. Step 2: Convert to fraction form
    75,782.76/113,670.10 = 23,192.28/x
  3. Step 3: Cross multiply
    75,782.76x = 113,670.10 × 23,192.28
  4. Step 4: Simplify right side
    75,782.76x = 2,636,268,786.83
  5. Step 5: Solve for x
    x = 2,636,268,786.83/75,782.76
  6. Step 6: Final answer
    x = 34,787.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.