Home / 93,382.88-128,868.75-50,942.30

Finding the Fourth Proportional to 93,382.88, 128,868.75 and 50,942.30

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Solution

The fourth proportional to 93,382.88, 128,868.75 and 50,942.30 is: 70,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,382.88 : 128,868.75 = 50,942.30 : x
  2. Step 2: Convert to fraction form
    93,382.88/128,868.75 = 50,942.30/x
  3. Step 3: Cross multiply
    93,382.88x = 128,868.75 × 50,942.30
  4. Step 4: Simplify right side
    93,382.88x = 6,564,869,878.78
  5. Step 5: Solve for x
    x = 6,564,869,878.78/93,382.88
  6. Step 6: Final answer
    x = 70,300.58

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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.