Home / 79,264.90-109,384.32-43,455.21

Finding the Fourth Proportional to 79,264.90, 109,384.32 and 43,455.21

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Solution

The fourth proportional to 79,264.90, 109,384.32 and 43,455.21 is: 59,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,264.90 : 109,384.32 = 43,455.21 : x
  2. Step 2: Convert to fraction form
    79,264.90/109,384.32 = 43,455.21/x
  3. Step 3: Cross multiply
    79,264.90x = 109,384.32 × 43,455.21
  4. Step 4: Simplify right side
    79,264.90x = 4,753,318,596.31
  5. Step 5: Solve for x
    x = 4,753,318,596.31/79,264.90
  6. Step 6: Final answer
    x = 59,967.51

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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.