Home / 79,272.54-109,396.98-45,285.51

Finding the Fourth Proportional to 79,272.54, 109,396.98 and 45,285.51

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Solution

The fourth proportional to 79,272.54, 109,396.98 and 45,285.51 is: 62,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272.54 : 109,396.98 = 45,285.51 : x
  2. Step 2: Convert to fraction form
    79,272.54/109,396.98 = 45,285.51/x
  3. Step 3: Cross multiply
    79,272.54x = 109,396.98 × 45,285.51
  4. Step 4: Simplify right side
    79,272.54x = 4,954,098,031.76
  5. Step 5: Solve for x
    x = 4,954,098,031.76/79,272.54
  6. Step 6: Final answer
    x = 62,494.50

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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.