Home / 79,216.95-109,319.37-43,408.30

Finding the Fourth Proportional to 79,216.95, 109,319.37 and 43,408.30

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Solution

The fourth proportional to 79,216.95, 109,319.37 and 43,408.30 is: 59,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,216.95 : 109,319.37 = 43,408.30 : x
  2. Step 2: Convert to fraction form
    79,216.95/109,319.37 = 43,408.30/x
  3. Step 3: Cross multiply
    79,216.95x = 109,319.37 × 43,408.30
  4. Step 4: Simplify right side
    79,216.95x = 4,745,368,008.77
  5. Step 5: Solve for x
    x = 4,745,368,008.77/79,216.95
  6. Step 6: Final answer
    x = 59,903.44

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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.