Home / 79,628.04-109,849.86-47,741.58

Finding the Fourth Proportional to 79,628.04, 109,849.86 and 47,741.58

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Solution

The fourth proportional to 79,628.04, 109,849.86 and 47,741.58 is: 65,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,628.04 : 109,849.86 = 47,741.58 : x
  2. Step 2: Convert to fraction form
    79,628.04/109,849.86 = 47,741.58/x
  3. Step 3: Cross multiply
    79,628.04x = 109,849.86 × 47,741.58
  4. Step 4: Simplify right side
    79,628.04x = 5,244,405,879.18
  5. Step 5: Solve for x
    x = 5,244,405,879.18/79,628.04
  6. Step 6: Final answer
    x = 65,861.30

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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.