Home / 79,069.42-109,115.66-43,259.34

Finding the Fourth Proportional to 79,069.42, 109,115.66 and 43,259.34

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Solution

The fourth proportional to 79,069.42, 109,115.66 and 43,259.34 is: 59,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,069.42 : 109,115.66 = 43,259.34 : x
  2. Step 2: Convert to fraction form
    79,069.42/109,115.66 = 43,259.34/x
  3. Step 3: Cross multiply
    79,069.42x = 109,115.66 × 43,259.34
  4. Step 4: Simplify right side
    79,069.42x = 4,720,271,402.37
  5. Step 5: Solve for x
    x = 4,720,271,402.37/79,069.42
  6. Step 6: Final answer
    x = 59,697.82

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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.