Home / 79,213.96-109,317.80-43,406.24

Finding the Fourth Proportional to 79,213.96, 109,317.80 and 43,406.24

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Solution

The fourth proportional to 79,213.96, 109,317.80 and 43,406.24 is: 59,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,213.96 : 109,317.80 = 43,406.24 : x
  2. Step 2: Convert to fraction form
    79,213.96/109,317.80 = 43,406.24/x
  3. Step 3: Cross multiply
    79,213.96x = 109,317.80 × 43,406.24
  4. Step 4: Simplify right side
    79,213.96x = 4,745,074,663.07
  5. Step 5: Solve for x
    x = 4,745,074,663.07/79,213.96
  6. Step 6: Final answer
    x = 59,902.00

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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.