Home / 93,063.24-128,428.27-50,621.87

Finding the Fourth Proportional to 93,063.24, 128,428.27 and 50,621.87

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Solution

The fourth proportional to 93,063.24, 128,428.27 and 50,621.87 is: 69,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,063.24 : 128,428.27 = 50,621.87 : x
  2. Step 2: Convert to fraction form
    93,063.24/128,428.27 = 50,621.87/x
  3. Step 3: Cross multiply
    93,063.24x = 128,428.27 × 50,621.87
  4. Step 4: Simplify right side
    93,063.24x = 6,501,279,382.78
  5. Step 5: Solve for x
    x = 6,501,279,382.78/93,063.24
  6. Step 6: Final answer
    x = 69,858.73

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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.