Home / 74,158.77-111,188.73-38,532.54

Finding the Fourth Proportional to 74,158.77, 111,188.73 and 38,532.54

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Solution

The fourth proportional to 74,158.77, 111,188.73 and 38,532.54 is: 57,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,158.77 : 111,188.73 = 38,532.54 : x
  2. Step 2: Convert to fraction form
    74,158.77/111,188.73 = 38,532.54/x
  3. Step 3: Cross multiply
    74,158.77x = 111,188.73 × 38,532.54
  4. Step 4: Simplify right side
    74,158.77x = 4,284,384,186.27
  5. Step 5: Solve for x
    x = 4,284,384,186.27/74,158.77
  6. Step 6: Final answer
    x = 57,773.13

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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.