Home / 53,236.32-79,909.76-39,212.12

Finding the Fourth Proportional to 53,236.32, 79,909.76 and 39,212.12

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Solution

The fourth proportional to 53,236.32, 79,909.76 and 39,212.12 is: 58,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,236.32 : 79,909.76 = 39,212.12 : x
  2. Step 2: Convert to fraction form
    53,236.32/79,909.76 = 39,212.12/x
  3. Step 3: Cross multiply
    53,236.32x = 79,909.76 × 39,212.12
  4. Step 4: Simplify right side
    53,236.32x = 3,133,430,796.77
  5. Step 5: Solve for x
    x = 3,133,430,796.77/53,236.32
  6. Step 6: Final answer
    x = 58,858.89

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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.