Home / 93,580.50-129,277.68-80,983.38

Finding the Fourth Proportional to 93,580.50, 129,277.68 and 80,983.38

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Solution

The fourth proportional to 93,580.50, 129,277.68 and 80,983.38 is: 111,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,580.50 : 129,277.68 = 80,983.38 : x
  2. Step 2: Convert to fraction form
    93,580.50/129,277.68 = 80,983.38/x
  3. Step 3: Cross multiply
    93,580.50x = 129,277.68 × 80,983.38
  4. Step 4: Simplify right side
    93,580.50x = 10,469,343,484.96
  5. Step 5: Solve for x
    x = 10,469,343,484.96/93,580.50
  6. Step 6: Final answer
    x = 111,875.27

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1.5x scale

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.