Home / 84,628.49-126,954.95-45,164.07

Finding the Fourth Proportional to 84,628.49, 126,954.95 and 45,164.07

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Solution

The fourth proportional to 84,628.49, 126,954.95 and 45,164.07 is: 67,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,628.49 : 126,954.95 = 45,164.07 : x
  2. Step 2: Convert to fraction form
    84,628.49/126,954.95 = 45,164.07/x
  3. Step 3: Cross multiply
    84,628.49x = 126,954.95 × 45,164.07
  4. Step 4: Simplify right side
    84,628.49x = 5,733,802,022.83
  5. Step 5: Solve for x
    x = 5,733,802,022.83/84,628.49
  6. Step 6: Final answer
    x = 67,752.63

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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.