Home / 78,541.60-117,773.47-27,933.04

Finding the Fourth Proportional to 78,541.60, 117,773.47 and 27,933.04

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Solution

The fourth proportional to 78,541.60, 117,773.47 and 27,933.04 is: 41,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,541.60 : 117,773.47 = 27,933.04 : x
  2. Step 2: Convert to fraction form
    78,541.60/117,773.47 = 27,933.04/x
  3. Step 3: Cross multiply
    78,541.60x = 117,773.47 × 27,933.04
  4. Step 4: Simplify right side
    78,541.60x = 3,289,771,048.45
  5. Step 5: Solve for x
    x = 3,289,771,048.45/78,541.60
  6. Step 6: Final answer
    x = 41,885.71

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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.