Home / 84,683.45-116,809.49-54,416.69

Finding the Fourth Proportional to 84,683.45, 116,809.49 and 54,416.69

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Solution

The fourth proportional to 84,683.45, 116,809.49 and 54,416.69 is: 75,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,683.45 : 116,809.49 = 54,416.69 : x
  2. Step 2: Convert to fraction form
    84,683.45/116,809.49 = 54,416.69/x
  3. Step 3: Cross multiply
    84,683.45x = 116,809.49 × 54,416.69
  4. Step 4: Simplify right side
    84,683.45x = 6,356,385,534.30
  5. Step 5: Solve for x
    x = 6,356,385,534.30/84,683.45
  6. Step 6: Final answer
    x = 75,060.54

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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.