Home / 79,453.82-109,614.93-51,175.91

Finding the Fourth Proportional to 79,453.82, 109,614.93 and 51,175.91

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Solution

The fourth proportional to 79,453.82, 109,614.93 and 51,175.91 is: 70,602.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,453.82 : 109,614.93 = 51,175.91 : x
  2. Step 2: Convert to fraction form
    79,453.82/109,614.93 = 51,175.91/x
  3. Step 3: Cross multiply
    79,453.82x = 109,614.93 × 51,175.91
  4. Step 4: Simplify right side
    79,453.82x = 5,609,643,792.34
  5. Step 5: Solve for x
    x = 5,609,643,792.34/79,453.82
  6. Step 6: Final answer
    x = 70,602.57

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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.