Home / 93,728.12-140,383.08-72,523.92

Finding the Fourth Proportional to 93,728.12, 140,383.08 and 72,523.92

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Solution

The fourth proportional to 93,728.12, 140,383.08 and 72,523.92 is: 108,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,728.12 : 140,383.08 = 72,523.92 : x
  2. Step 2: Convert to fraction form
    93,728.12/140,383.08 = 72,523.92/x
  3. Step 3: Cross multiply
    93,728.12x = 140,383.08 × 72,523.92
  4. Step 4: Simplify right side
    93,728.12x = 10,181,131,263.27
  5. Step 5: Solve for x
    x = 10,181,131,263.27/93,728.12
  6. Step 6: Final answer
    x = 108,624.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.