Home / 79,218.96-109,322.15-43,410.35

Finding the Fourth Proportional to 79,218.96, 109,322.15 and 43,410.35

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Solution

The fourth proportional to 79,218.96, 109,322.15 and 43,410.35 is: 59,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,218.96 : 109,322.15 = 43,410.35 : x
  2. Step 2: Convert to fraction form
    79,218.96/109,322.15 = 43,410.35/x
  3. Step 3: Cross multiply
    79,218.96x = 109,322.15 × 43,410.35
  4. Step 4: Simplify right side
    79,218.96x = 4,745,712,030.59
  5. Step 5: Solve for x
    x = 4,745,712,030.59/79,218.96
  6. Step 6: Final answer
    x = 59,906.27

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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.