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Finding the Fourth Proportional to 93,071.37, 128,437.66 and 50,629.90

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Solution

The fourth proportional to 93,071.37, 128,437.66 and 50,629.90 is: 69,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,071.37 : 128,437.66 = 50,629.90 : x
  2. Step 2: Convert to fraction form
    93,071.37/128,437.66 = 50,629.90/x
  3. Step 3: Cross multiply
    93,071.37x = 128,437.66 × 50,629.90
  4. Step 4: Simplify right side
    93,071.37x = 6,502,785,882.03
  5. Step 5: Solve for x
    x = 6,502,785,882.03/93,071.37
  6. Step 6: Final answer
    x = 69,868.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.