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Finding the Fourth Proportional to 93,816.55, 129,467.03 and 50,796.51

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Solution

The fourth proportional to 93,816.55, 129,467.03 and 50,796.51 is: 70,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,816.55 : 129,467.03 = 50,796.51 : x
  2. Step 2: Convert to fraction form
    93,816.55/129,467.03 = 50,796.51/x
  3. Step 3: Cross multiply
    93,816.55x = 129,467.03 × 50,796.51
  4. Step 4: Simplify right side
    93,816.55x = 6,576,473,284.07
  5. Step 5: Solve for x
    x = 6,576,473,284.07/93,816.55
  6. Step 6: Final answer
    x = 70,099.29

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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.