Home / 84,238.18-116,199.94-54,430.18

Finding the Fourth Proportional to 84,238.18, 116,199.94 and 54,430.18

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Solution

The fourth proportional to 84,238.18, 116,199.94 and 54,430.18 is: 75,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,238.18 : 116,199.94 = 54,430.18 : x
  2. Step 2: Convert to fraction form
    84,238.18/116,199.94 = 54,430.18/x
  3. Step 3: Cross multiply
    84,238.18x = 116,199.94 × 54,430.18
  4. Step 4: Simplify right side
    84,238.18x = 6,324,783,650.19
  5. Step 5: Solve for x
    x = 6,324,783,650.19/84,238.18
  6. Step 6: Final answer
    x = 75,082.15

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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.