Home / 93,210.30-128,632.72-50,771.56

Finding the Fourth Proportional to 93,210.30, 128,632.72 and 50,771.56

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Solution

The fourth proportional to 93,210.30, 128,632.72 and 50,771.56 is: 70,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,210.30 : 128,632.72 = 50,771.56 : x
  2. Step 2: Convert to fraction form
    93,210.30/128,632.72 = 50,771.56/x
  3. Step 3: Cross multiply
    93,210.30x = 128,632.72 × 50,771.56
  4. Step 4: Simplify right side
    93,210.30x = 6,530,883,861.44
  5. Step 5: Solve for x
    x = 6,530,883,861.44/93,210.30
  6. Step 6: Final answer
    x = 70,066.12

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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.