Home / 76,272.26-105,124.39-50,733

Finding the Fourth Proportional to 76,272.26, 105,124.39 and 50,733

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Solution

The fourth proportional to 76,272.26, 105,124.39 and 50,733 is: 69,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,272.26 : 105,124.39 = 50,733 : x
  2. Step 2: Convert to fraction form
    76,272.26/105,124.39 = 50,733/x
  3. Step 3: Cross multiply
    76,272.26x = 105,124.39 × 50,733
  4. Step 4: Simplify right side
    76,272.26x = 5,333,275,551.04
  5. Step 5: Solve for x
    x = 5,333,275,551.04/76,272.26
  6. Step 6: Final answer
    x = 69,924.19

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1.5x scale

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.