Home / 93,141.36-128,535.26-50,699.79

Finding the Fourth Proportional to 93,141.36, 128,535.26 and 50,699.79

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Solution

The fourth proportional to 93,141.36, 128,535.26 and 50,699.79 is: 69,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,141.36 : 128,535.26 = 50,699.79 : x
  2. Step 2: Convert to fraction form
    93,141.36/128,535.26 = 50,699.79/x
  3. Step 3: Cross multiply
    93,141.36x = 128,535.26 × 50,699.79
  4. Step 4: Simplify right side
    93,141.36x = 6,516,710,436.10
  5. Step 5: Solve for x
    x = 6,516,710,436.10/93,141.36
  6. Step 6: Final answer
    x = 69,965.81

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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.