Home / 79,212.48-109,313.16-43,404.72

Finding the Fourth Proportional to 79,212.48, 109,313.16 and 43,404.72

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Solution

The fourth proportional to 79,212.48, 109,313.16 and 43,404.72 is: 59,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,212.48 : 109,313.16 = 43,404.72 : x
  2. Step 2: Convert to fraction form
    79,212.48/109,313.16 = 43,404.72/x
  3. Step 3: Cross multiply
    79,212.48x = 109,313.16 × 43,404.72
  4. Step 4: Simplify right side
    79,212.48x = 4,744,707,102.12
  5. Step 5: Solve for x
    x = 4,744,707,102.12/79,212.48
  6. Step 6: Final answer
    x = 59,898.48

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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.