Home / 57,123.38-85,536.03-45,969.14

Finding the Fourth Proportional to 57,123.38, 85,536.03 and 45,969.14

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Solution

The fourth proportional to 57,123.38, 85,536.03 and 45,969.14 is: 68,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,123.38 : 85,536.03 = 45,969.14 : x
  2. Step 2: Convert to fraction form
    57,123.38/85,536.03 = 45,969.14/x
  3. Step 3: Cross multiply
    57,123.38x = 85,536.03 × 45,969.14
  4. Step 4: Simplify right side
    57,123.38x = 3,932,017,738.11
  5. Step 5: Solve for x
    x = 3,932,017,738.11/57,123.38
  6. Step 6: Final answer
    x = 68,833.77

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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.