Home / 93,072.65-128,441.60-50,631.18

Finding the Fourth Proportional to 93,072.65, 128,441.60 and 50,631.18

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Solution

The fourth proportional to 93,072.65, 128,441.60 and 50,631.18 is: 69,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,072.65 : 128,441.60 = 50,631.18 : x
  2. Step 2: Convert to fraction form
    93,072.65/128,441.60 = 50,631.18/x
  3. Step 3: Cross multiply
    93,072.65x = 128,441.60 × 50,631.18
  4. Step 4: Simplify right side
    93,072.65x = 6,503,149,224.14
  5. Step 5: Solve for x
    x = 6,503,149,224.14/93,072.65
  6. Step 6: Final answer
    x = 69,871.76

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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.