Home / 84,125.45-116,033.61-53,919.34

Finding the Fourth Proportional to 84,125.45, 116,033.61 and 53,919.34

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Solution

The fourth proportional to 84,125.45, 116,033.61 and 53,919.34 is: 74,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,125.45 : 116,033.61 = 53,919.34 : x
  2. Step 2: Convert to fraction form
    84,125.45/116,033.61 = 53,919.34/x
  3. Step 3: Cross multiply
    84,125.45x = 116,033.61 × 53,919.34
  4. Step 4: Simplify right side
    84,125.45x = 6,256,455,581.13
  5. Step 5: Solve for x
    x = 6,256,455,581.13/84,125.45
  6. Step 6: Final answer
    x = 74,370.54

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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.