Home / 64,383.36-88,854.32-36,085.12

Finding the Fourth Proportional to 64,383.36, 88,854.32 and 36,085.12

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Solution

The fourth proportional to 64,383.36, 88,854.32 and 36,085.12 is: 49,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,383.36 : 88,854.32 = 36,085.12 : x
  2. Step 2: Convert to fraction form
    64,383.36/88,854.32 = 36,085.12/x
  3. Step 3: Cross multiply
    64,383.36x = 88,854.32 × 36,085.12
  4. Step 4: Simplify right side
    64,383.36x = 3,206,318,799.72
  5. Step 5: Solve for x
    x = 3,206,318,799.72/64,383.36
  6. Step 6: Final answer
    x = 49,800.43

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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.