Home / 93,310.38-128,769.21-50,869.76

Finding the Fourth Proportional to 93,310.38, 128,769.21 and 50,869.76

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Solution

The fourth proportional to 93,310.38, 128,769.21 and 50,869.76 is: 70,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,310.38 : 128,769.21 = 50,869.76 : x
  2. Step 2: Convert to fraction form
    93,310.38/128,769.21 = 50,869.76/x
  3. Step 3: Cross multiply
    93,310.38x = 128,769.21 × 50,869.76
  4. Step 4: Simplify right side
    93,310.38x = 6,550,458,164.24
  5. Step 5: Solve for x
    x = 6,550,458,164.24/93,310.38
  6. Step 6: Final answer
    x = 70,200.74

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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.